Actor
- Boston Legal Son of the Defender (2007) .... Denny's Father (archive footage) (uncredited)
- Steve McQueen: The Essence of Cool (2005) .... (archive footage)
- Cary Grant: A Class Apart (2004) .... Himself (1988 interview) (archive footage)
- Pretty Woman (1990) .... James Morse
- Christine Cromwell: Things That Go Bump in the Night (1989) .... Cyrus Blain
- War and Remembrance (1988) .... President Franklin Delano Roosevelt (11 episodes, 1988-1989)
- The Good Mother (1988) .... Grandfather
- Coming to America (1988) .... Randolph Duke
- Cary Grant: A Celebration of a Leading Man (1988) .... Himself
- Amazon Women on the Moon (1987) .... Mr. Gower (segment "Titan Man")
- Disorderlies (1987) .... Albert Dennison
- Space (1985) .... Paul Stidham
- The Fourth Wise Man (1985) .... Abgarus
- Lugosi: The Forgotten King (1985) .... Himself
- Love Leads the Way: A True Story (1984) .... Sen. Christi
- Trading Places (1983) .... Randolph Duke
- The Winds of War (1983) .... President Franklin Delano Roosevelt (7 episodes, 1983)
- Little House on the Prairie Marvin's Garden (1983) .... Dr. Marvin Haynes
- Condominium (1980) .... Lee Messenger
- The Memory of Eva Ryker (1980) .... William E. Ryker
- Power (1980) .... Ben Frelinghuysen
- The Billion Dollar Threat (1979) .... Mike Larson
- The Millionaire (1978) .... George Mathews
- The Clone Master (1978) .... Ezra Louthin
- Wheels (1978) .... Lowell Baxter
- Oh, God! (1977) .... Sam Raven
- Charlie Cobb: Nice Night for a Hanging (1977) .... McVea
- Testimony of Two Men (1977) .... Dr. Jim Spaulding
- Westside Medical (1977) .... Everett Meade (2 episodes, 1977)
- Hunter (1977) .... Harold Baker (12 episodes, 1977)
- Arthur Hailey's the Moneychangers (1976) .... Jerome Patterson
- Once an Eagle (1976) .... Ed Caldwell
- The Boy in the Plastic Bubble (1976) .... Dr. Ernest Gunther
- Nightmare in Badham County (1976) .... Judge
- Return to Earth (1976) .... Col. Edwin E. Aldrin
- McNaughton's Daughter (1976) .... Moses Bellman
- Murder on Flight 502 (1975) .... Dr. Kenyon Walker
- Search for the Gods (1975) .... Dr. Henderson
- Adventures of the Queen (1975) .... Jonathan L. Dundeen (J.L. Dundeen)
- The Log of the Black Pearl (1975) .... Captain Fitzsimmons
- The Missiles of October (1974) .... U.N. Ambassador Adlai Stevenson
- Cancel My Reservation (1972) .... John Ed
- Something Evil (1972) .... Harry Lincoln
- Doctors' Wives (1971) .... Jake Porter
- The Last of the Powerseekers (1971) ....
- The Most Deadly Game (1970) .... Ethan Arcane (3 episodes, 1970)
- The Immortal (1969) .... Dr. Matthew Pearce
- Rosemary's Baby (1968) .... Dr. Abraham Sapirstein
- Wings of Fire (1967) .... Doug Sanborn
- The Professionals (1966) .... Joe Grant
- The Wolfman (1966) .... Col. Montford (archive footage)
- Hollywood My Home Town (1965) .... Himself (archive footage)
- To Tell the Truth Episode dated 3 September 1962 (1962) .... Himself / Panelist
- To Tell the Truth Episode dated 4 June 1962 (1962) .... Himself / Panelist
- To Tell the Truth Episode dated 18 June 1962 (1962) .... Himself / Panelist
- Westinghouse Presents: The Dispossessed (1961) .... Lambertson
- 10 del Texas, I (1961) .... (archive footage)
- To Tell the Truth Episode dated 4 December 1961 (1961) .... Himself / Panelist
- To Tell the Truth Episode dated 20 February 1961 (1961) .... Himself / Panelist
- To Tell the Truth Episode dated 11 December 1961 (1961) .... Himself / Panelist
- To Tell the Truth Episode dated 30 January 1961 (1961) .... Himself / Panelist
- To Tell the Truth Episode dated 18 December 1961 (1961) .... Himself / Panelist
- To Tell the Truth Episode dated 6 March 1961 (1961) .... Himself / Panelist
- Sunrise at Campobello (1960) .... Franklin Delano Roosevelt
- To Tell the Truth Episode dated 1 September 1960 (1960) .... Himself / Panelist
- To Tell the Truth Episode dated 8 September 1960 (1960) .... Himself / Panelist
- To Tell the Truth Episode dated 25 August 1960 (1960) .... Himself / Panelist
- To Tell the Truth Episode dated 26 May 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 3 March 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 17 February 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 12 May 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 10 March 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 25 August 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 6 January 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 5 May 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 13 January 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 19 May 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 17 March 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 10 February 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 20 January 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 24 March 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 31 March 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 7 April 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 27 January 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 1 September 1959 (1959) .... Himself / panelist
- To Tell the Truth Episode dated 14 April 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 18 August 1959 (1959) .... Himself / panelist
- To Tell the Truth Episode dated 3 February 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 21 April 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 8 September 1959 (1959) .... Himself / Panelist
- To Tell the Truth Episode dated 24 February 1959 (1959) .... Himself / Panelist
- Frontier Justice (1958) .... Host (9 episodes, 1961)
- To Tell the Truth Episode dated 19 November 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 11 June 1957 (1957) .... Himself
- To Tell the Truth Episode dated 13 August 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 26 November 1957 (1957) .... Himself / panelist
- To Tell the Truth Episode dated 6 August 1957 (1957) .... Himself -Host
- To Tell the Truth Episode dated 17 September 1957 (1957) .... Himself / panelist
- To Tell the Truth Episode dated 17 December 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 19 March 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 8 October 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 27 August 1957 (1957) .... Himself / panelist
- To Tell the Truth Episode dated 30 July 1957 (1957) .... Himself - Sub-Host
- To Tell the Truth Episode dated 5 March 1957 (1957) .... Himself / panelist
- To Tell the Truth Episode dated 23 July 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 29 October 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 22 October 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 9 April 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 5 November 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 26 February 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 12 November 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 3 December 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 16 April 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 10 September 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 2 July 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 24 September 1957 (1957) .... Himself / panelist
- To Tell the Truth Episode dated 23 April 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 12 March 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 18 June 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 20 August 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 9 July 1957 (1957) .... Himself / Panelist
- To Tell the Truth Episode dated 15 October 1957 (1957) .... Himself / Panelist
- Goodyear Television Playhouse The Film Maker (1956) ....
- The Court-Martial of Billy Mitchell (1955) .... Congressman Frank R. Reid
- Star Stage (1955) .... (1 episode, 1956)
- Man Against Crime (1949) .... Mike Barnett (84 episodes, 1949-1954)
- Lady on a Train (1945) .... Jonathan Waring
- Delightfully Dangerous (1945) .... Arthur Hale
- Guest in the House (1944) .... Douglas Proctor
- Stage Door Canteen (1944) .... Himself
- The Great Impersonation (1942) .... Sir Edward Dominey / Baron Leopold von Regenstein
- Men of Texas (1942) .... Major Lamphere
- Lady in a Jam (1942) .... Stanley Gardner
- The Ghost of Frankenstein (1942) .... Erik
- The Wolf Man (1941) .... Colonel Montford
- Ellery Queen and the Murder Ring (1941) .... Ellery Queen
- Dive Bomber (1941) .... Lt. Cmdr. Lance Rogers, MD, Flight Surgeon
- Ellery Queen and the Perfect Crime (1941) .... Ellery Queen
- Affectionately Yours (1941) .... Owen Wright
- Ellery Queen's Penthouse Mystery (1941) .... Ellery Queen
- Footsteps in the Dark (1941) .... Dr. R.L. Davis
- Ellery Queen, Master Detective (1940) .... Ellery Queen
- Meet the Wildcat (1940) .... Lt. Brad Williams
- Public Deb No. 1 (1940) .... Bruce Fairchild
- Dance, Girl, Dance (1940) .... Steve Adams
- Queen of the Mob (1940) .... Agent Scott Langham
- Brother Orchid (1940) .... Clarence P. Fletcher
- Flight Angels (1940) .... Bill Graves
- His Girl Friday (1940) .... Bruce Baldwin
- Coast Guard (1939) .... Lt. Raymond 'Ray' Dower
- Blind Alley (1939) .... Dr. Shelby
- Let Us Live (1939) .... Lt. Everett
- Smashing the Spy Ring (1939) .... John Baxter
- Trade Winds (1938) .... Ben Blodgett
- Girls' School (1938) .... Michael Hendragin
- Carefree (1938) .... Stephen Arden
- Boy Meets Girl (1938) .... C. Elliott 'C.F.' Friday
- Fools for Scandal (1938) .... Phillip 'Phil' Chester
- The Crime of Dr. Hallet (1938) .... Dr. Paul Hallet
- Breakdowns of 1938 (1938) .... Himself (Fools for Scandal outtakes) (uncredited)
- The Awful Truth (1937) .... 'Dan' Leeson
- Screen Snapshots Series 16, No. 12 (1937) .... Himself
- It Can't Last Forever (1937) .... Russ Matthews
- Let's Get Married (1937) .... Kirk Duncan
- Counterfeit Lady (1936) .... Johnny Pierce
- Wild Brian Kent (1936) .... Brian Kent
- The Man Who Lived Twice (1936) .... Dr. James Blake / 'Slick' Rawley
- Straight from the Shoulder (1936) .... Curt Hayden
- The Final Hour (1936) .... John Vickery
- Roaming Lady (1936) .... Dan
- Screen Snapshots Series 15, No. 7 (1936) .... Himself
- Dangerous Intrigue (1936) .... Tony Halliday
- Hands Across the Table (1935) .... Allen Macklyn
- Navy Wife (1935) .... Dr. Quentin Harden
- The Healer (1935) .... Dr. Holden
- Air Hawks (1935) .... Barry Eldon
- Eight Bells (1935) .... Steve Andrews
- The Wedding Night (1935) .... Fredrik Sobieski
- Gigolette (1935) .... Terry Gallagher
- Rendezvous at Midnight (1935) .... Bob Edmonds
- Helldorado (1935) .... J.F. Van Avery
- Woman in the Dark (1934) .... John Bradley
- Girl in Danger (1934) .... Insp. Trent
- One Is Guilty (1934) .... Police Inspector Steve Trent
- Crime of Helen Stanley (1934) .... Insp. Trent
- This Man Is Mine (1934) .... Jim Dunlap
- Spitfire (1934) .... George Fleetwood
- Once to Every Woman (1934) .... Dr. Barclay
- Before Midnight (1933) .... Insp. Trent
- Ever in My Heart (1933) .... Jeff
- Ace of Aces (1933) .... Capt. / Maj. Blake
- Headline Shooter (1933) .... Hal Caldwell
- Blind Adventure (1933) .... Jim Steele
- Flying Devils (1933) .... Speed Hardy
- The Narrow Corner (1933) .... Eric Whittenson
- Picture Snatcher (1933) .... J.R. 'Al' McLean
- Destination Unknown (1933) .... Stowaway
- Below the Sea (1933) .... Steve McCreary
- Parole Girl (1933) .... Joe Smith
- Second Hand Wife (1933) .... Carter Cavendish
- Air Mail (1932) .... Mike Miller
- Wild Girl (1932) .... Jack Marbury
- Almost Married (1932) .... Deene Maxwell
- Rebecca of Sunnybrook Farm (1932) .... Dr. Ladd
- The Woman in Room 13 (1932) .... John Bruce
- Young America (1932) .... Judge Blake
- Disorderly Conduct (1932) .... Captain Tom Manning
- Forbidden (1932) .... Al Holland
- Surrender (1931) .... Capt. Ebbing
- West of Broadway (1931) .... Mac, the Ranch Foreman
- The Magnificent Lie (1931) .... Bill
- The Secret Six (1931) .... Johnny Franks


