George Montgomery

John Worth Hyndman

Osa Massen

Osa

J. Carrol Naish

Manuel Lombroso

Thurston Hall

T. J. Triton

Cobina Wright

Linda Hyndman

Stanley Clements

Patrick Henry Lombroso

Minerva Urecal

Teresa Lombroso

Irving Bacon

Smedley

Leonard Carey

Flowers

Ray McCarey

Director

John Francis Larkin

Screenplay

Dalton Trumbo

Story

Ralph Dietrich

Producer

Walter Morosco

Producer

Charles G. Clarke

Cinematography

Harry Reynolds

Editor