Mark of the Gorilla

Johnny Weissmüller

Jungle Jim

Trudy Marshall

Barbara Bentley

Suzanne Dalbert

Nyobi

Onslow Stevens

Professor Brandt

Robert H. Purcell

Kramer

Pierce Lyden

Gibbs

Neyle Morrow

Head Ranger

Selmer Jackson

Warden Frank R. Bentley

William Bailey

Game Preserve Officer

George Barrows

Henchman

Steve Calvert

Gorilla Man

Jimmy the Crow

Caw-Caw the Crow

Carl M. Leviness

Game Preserve Officer

Forbes Murray

Game Preserve Officer

Ira H. Morgan

Director of Photography

Helen Hunt

Hairstylist

Alex Raymond

Characters

Sam Katzman

Producer

Henry Batista

Editor

William Berke

Director

Carroll Young

Writer

J.S. Westmoreland

Sound

Paul Palmentola

Art Direction

George Montgomery

Set Decoration

Seldon White

Gaffer

Ray Sebastian

Makeup Artist