John Vosper
Acting
Edge of Hell
Charles Hawkins
The Magnetic Monster
Capt. Dyer
Breakdown
Judge Sam Hannum
Black Hills Ambush
Gaines
Tales of Robin Hood
The Earl of Chester
The Desert Fox: The Story of Rommel
Maj. Walker
The Unfaithful
Man in Montage
High Conquest
Mr. Stefani
The Sea of Grass
Hotel Clerk (uncredited)
The Man I Love
Gloria's Boyfriend (uncredited)
The Magnificent Rogue
Captain
Notorious
Reporter (uncredited)
A Boy, a Girl and a Dog
Mr. Hamilton
Dark Shadows
Dr. Elton Parkson (uncredited)
Mr. Skeffington
Artist (uncredited)
Flight for Freedom
Staff Operator (uncredited)
Dead Man's Gulch
Hobart Patterson
Miss V from Moscow
Colonel Wolfgang Heinrich (as John Wosper)
Undercover Man
Ranger Ed Carson
The Wife Takes a Flyer
German Sergeant
Taking the Count
Advice to the Lovelorn
Red Haired Alibi
Morgan
Hearts of Humanity
Dave Haller
Western Limited
Bracy
Convicted
Ship's Officer Weldon (as John Vosburgh)
Princess Virtue
Undetermined Role (as Jack Vosburgh)
The Lady in the Library
T. Huntington Forbes
Environment
Reuben
A Rough Shod Fighter
Huntly Thornton
A Gamble in Souls
Honor Thy Name