Credits

• 2008 · Thou Shalt Not: Sex, Sin and Censorship in Pre-Code Hollywood as Various Roles (archive footage)
• 1994 · Mae West and the Men Who Knew Her as Self (archive footage)
• 1983 · Hollywood Out-takes and Rare Footage as Self (archive footage) (uncredited)
• 1966 · The Wolf Man as Dr. Lloyd
• 1947 · The Private Affairs of Bel Ami as Laroche-Mathieu
• 1946 · Fear as Police Capt. Burke
• 1945 · Strange Illusion as Brett Curtis
• 1943 · Passport to Suez as Michael Lanyard / The Lone Wolf
• 1943 · One Dangerous Night as Michael Lanyard / The Lone Wolf
• 1942 · Counter-Espionage as Michael Lanyard
• 1942 · Wild Bill Hickok Rides as Harry Farrel
• 1941 · The Wolf Man as Dr. Lloyd
• 1941 · Secrets of the Lone Wolf as Michael Lanyard
• 1941 · Wild Geese Calling as Blackie Bedford
• 1941 · The Lone Wolf Takes a Chance as Michael Lanyard
• 1940 · Arizona as Jefferson Carteret
• 1940 · Trail of the Vigilantes as Mark Dawson
• 1940 · The Lone Wolf Keeps a Date as Michael Lanyard
• 1940 · The Lone Wolf Meets a Lady as Michael Lanyard
• 1940 · Lillian Russell as Jesse Lewisohn
• 1940 · The Lone Wolf Strikes as Michael Lanyard
• 1939 · Day-time Wife as Bernard Dexter
• 1939 · The Man in the Iron Mask as D'Artagnan
• 1939 · The Gracie Allen Murder Case as Philo Vance
• 1939 · The Lone Wolf Spy Hunt as Michael Lanyard
• 1938 · Wives Under Suspicion as District Attorney Jim Stowell
• 1938 · The First Hundred Years as Harry Borden
• 1938 · Arsène Lupin Returns as Steve Emerson
• 1937 · The Firefly as Major de Rouchemont
• 1937 · Madame X as Bernard Fleuriot
• 1937 · Midnight Madonna as Blackie Denbo
• 1937 · Outcast as Dr. Wendell Phillips / Phil Jones
• 1936 · Breakdowns of 1936 as Self
• 1936 · Go West Young Man as Morgan
• 1936 · Stage Struck as Fred Harris
• 1936 · Satan Met a Lady as Ted Shane
• 1936 · The Case of the Velvet Claws as Perry Mason
• 1936 · Times Square Playboy as Victor 'Vic' Arnold
• 1935 · A Dream Comes True as Self (uncredited)
• 1935 · The Widow from Monte Carlo as Allan Chepstow
• 1935 · Things You Never See on the Screen as Self
• 1935 · The Case of the Lucky Legs as Perry Mason
• 1935 · Don't Bet on Blondes as Oscar 'Odds' Owen
• 1935 · The Case of the Curious Bride as Perry Mason
• 1935 · Living on Velvet as Walter 'Gibraltar' Pritcham
• 1935 · A Trip Thru a Hollywood Studio as Himself (uncredited)
• 1934 · The Secret Bride as Robert Sheldon
• 1934 · Imitation of Life as Stephen 'Steve' Archer
• 1934 · Cleopatra as Julius Caesar
• 1934 · The Case of the Howling Dog as Perry Mason
• 1934 · The Dragon Murder Case as Philo Vance
• 1934 · Dr. Monica as John Braden
• 1934 · Smarty as Tony
• 1934 · Upperworld as Alexander Stream
• 1934 · Hollywood on Parade No. B-1 as
• 1934 · Bedside as Bob Brown
• 1933 · Lady for a Day as Dave the Dude
• 1933 · Goodbye Again as Kenneth L. 'Ken' Bixby
• 1933 · Hollywood on Parade No. A-12 as Self
• 1933 · Gold Diggers of 1933 as J. Lawrence Bradford
• 1933 · The Mind Reader as Chandra
• 1933 · Employees' Entrance as Kurt Anderson
• 1933 · Just Around the Corner as Mr. Sears
• 1932 · The Match King as Paul Kroll
• 1932 · Three on a Match as Robert Kirkwood
• 1932 · Skyscraper Souls as David Dwight
• 1932 · The Dark Horse as Hal Samson Blake
• 1932 · Beauty and the Boss as Baron Josef von Ullrich
• 1932 · The Mouthpiece as Vincent 'Vince' Day
• 1932 · The Woman from Monte Carlo as Lieutenant d'Ortelles
• 1932 · Under Eighteen as Raymond Harding
• 1931 · Expensive Women as Neil Hartley
• 1931 · Honor of the Family as Captain Boris Barony
• 1931 · How I Play Golf, by Bobby Jones No. 7: 'The Spoon' as Warren William - the Husband (uncredited)
• 1923 · Plunder as Mr. Jones