John Harmon
- Microwave Massacre
1983 Dr. Gestalp
- Malibu High
1979 Mr. Elmhurst
- Hitch Hike to Hell
1977 Mr. Baldwin
- The Honkers
1972 Sam Martin
- The Unholy Rollers
1972 Doctor
- Lassie: The Adventures of Neeka
1969 Clay Bowers (archive footage)
- Funny Girl
1968 Company Manager
- Texas Across the River
1966 Gabe
- The Street Is My Beat
1965 Mr. Martinson
- Sylvia
1965 Sid (uncredited)
- One Man's Way
1964 Elder Sam Marcus
- Strange Compulsion
1964 Photo Studio Manager
- Move Over, Darling
1963 Taxi Driver (uncredited)
- The 7th Commandment
1961 Pete
- Ricochet
1961 man
- The Monster of Piedras Blancas
1959 Sturges, the Lighthouse Keeper
- God Is My Partner
1957 'Long Shot' Ben Renson
- Three Violent People
1956 Mr. Massey
- Canyon River
1956 Ben
- Jail Busters
1955 Tomsic
- The Man from Bitter Ridge
1955 Norm Roberts
- Jungle Gents
1954 Police Scientist
- Rails Into Laramie
1954 Dealer (uncredited)
- Bitter Creek
1954 A.Z. Platte
- Run for the Hills
1953 Jed Taylor
- Jack Slade
1953 Hollis
- Man in the Dark
1953 Herman (uncredited)
- Tangier Incident
1953 Tony
- Tales of Robin Hood
1951 The Robber-Spy
- Blonde Dynamite
1950 Professor
- Cyrano de Bergerac
1950 Lackey (uncredited)
- Woman in Hiding
1950 Man Taken Off Bus (uncredited)
- Joe Palooka in the Squared Circle
1950 Phillips - Reporter
- Alias the Champ
1949 Chuck Lyons
- The Crooked Way
1949 Kelly
- Homicide
1949 Pete Kimmel
- Streets of San Francisco
1949 Sammy Hess
- The Lady Gambles
1949 Frenchy
- Once More, My Darling
1949 Georgie
- Adventures of Gallant Bess
1948 Blake
- Moonrise
1948
- Whiplash
1948 Kid Magee
- Fall Guy
1947 Mr. Ed Sindell
- Brute Force
1947 Roberts (uncredited)
- Louisiana
1947 Steve
- Monsieur Verdoux
1947 Joe Darwin
- Fear in the Night
1947 Clyde Bilyou (uncredited)
- They Made Me a Killer
1946 Joe Lafferty
- Below the Deadline
1946 Pinky
- Dangerous Money
1946 Freddie Kirk
- Conflict
1945 Pickpocket (uncredited)
- Adventure
1945 Taxi Driver (uncredited)
- Silent Partner
1944 Blackie Barton
- After Midnight with Boston Blackie
1943 The Fence
- White Savage
1943
- Find the Blackmailer
1943 Ray Hickey
- Truck Busters
1943 Maxie
- The Chance of a Lifetime
1943 Red Taggart (Uncredited)
- I Was Framed
1942 Clubby Blake
- Call of the Canyon
1942 The Pigeon
- A Tragedy at Midnight
1942 Pickpocket (uncredited)
- Tramp, Tramp, Tramp!
1942 Mousey
- Lucky Jordan
1942 Big-Ears
- Manpower
1941 Benny (uncredited)
- Dangerously They Live
1941 George, Taxi Driver
- Hit the Road
1941 Creeper
- The Pittsburgh Kid
1941 Morrie
- Secrets of the Lone Wolf
1941 Bernard
- Honolulu Lu
1941 Clerk
- Raiders of the Desert
1941 Ahmed
- The Deadly Game
1941 Henchman
- The Shepherd of the Hills
1941 Johnny - Revenue Agent (uncredited)
- Gangs of Chicago
1940 Rabbit
- The Green Hornet
1940 Lefty Bates (uncredited)
- Stranger on the Third Floor
1940 Thin-Faced Man in Crowd (uncredited)
- The Way of All Flesh
1940 Pete
- Women Without Names
1940 Juror
- American Spoken Here
1940 Soda Jerk (uncredited)
- A Fugitive from Justice
1940 Gorwin
- Inside Information
1939 Frenchy
- Buck Rogers
1939 Hidden City Air Controller
- Devil's Island
1939 Andre
- King of the Underworld
1939 Slats
- Union Pacific
1939 One-Armed Reporter (uncredited)
- Charlie McCarthy, Detective
1939 Harry
- The Escape
1939 Gangster
- The Housekeeper's Daughter
1939 Suspect
- Mystery of the White Room
1939 Pete - the Fingerprint Man
- When Tomorrow Comes
1939 Busboy (uncredited)
- Exposed
1938 Finn
- The Missing Guest
1938 Baldrich's Guard
- The Black Doll
1938 Cabbie
- Gambling Ship
1938
- Arsène Lupin Returns
1938 'Butch' Harron - Gang Leader (uncredited)
- A Slight Case of Murder
1938 Blackhat Gallagher
- One Rainy Afternoon
1936 Reporter (Uncredited)
- Rendezvous
1935 Telegrapher (uncredited)
- 3 Kids and a Queen
1935 Montage Man
