John Vosper

Edge of Hell

— Charles Hawkins

The Magnetic Monster

— Capt. Dyer

Breakdown

— Judge Sam Hannum

Black Hills Ambush

— Gaines

Le Renard du désert

— Maj. Walker

Tales of Robin Hood

— The Earl of Chester

Le Maître de la prairie

— Hotel Clerk (uncredited)

The Unfaithful

— Man in Montage

High Conquest

— Mr. Stefani

Les Enchaînés

— Reporter (uncredited)

The Man I Love

— Gloria's Boyfriend (uncredited)

The Magnificent Rogue

— Captain

A Boy, a Girl and a Dog

— Mr. Hamilton

Femme aimée est toujours jolie

— Artist (uncredited)

Dark Shadows

— Dr. Elton Parkson (uncredited)

Flight for Freedom

— Staff Operator (uncredited)

Dead Man's Gulch

— Hobart Patterson

Undercover Man

— Ranger Ed Carson

The Wife Takes a Flyer

— German Sergeant

Miss V from Moscow

— Colonel Wolfgang Heinrich (as John Wosper)

Taking the Count

Advice to the Lovelorn

Western Limited

— Bracy

Red Haired Alibi

— Morgan

Hearts of Humanity

— Dave Haller

Convicted

— Ship's Officer Weldon (as John Vosburgh)

Princess Virtue

— Undetermined Role (as Jack Vosburgh)

Environment

— Reuben

The Lady in the Library

— T. Huntington Forbes

A Rough Shod Fighter

— Huntly Thornton

Honor Thy Name

A Gamble in Souls