Riven

George Zucco

as Lorenzo Cameron

Anne Nagel

as Lenora Cameron

Johnny Downs

as Tom Gregory

Glenn Strange

as Petro

Robert Strange

as Professor Blaine

Gordon De Main

as Professor Fitzgerald

John Elliott

as Professor Hatfield

Reginald Barlow

as Professor Warwick

Sarah Padden

as Grandmother

Mae Busch

as Susan

Ed Cassidy

as Father

Henry Hall

as Country Doctor

Eddie Holden

as Jed Harper

Sam Newfield

Director

Fred Myton

Screenplay

Holbrook N. Todd

Editor

Fred Preble

Art Direction

Eugene C. Stone

Special Effects

Hans Weeren

Sound Engineer

Harry Ross

Makeup Artist

Sigmund Neufeld

Producer

David Chudnow

Original Music Composer

Bert Sternbach

Production Manager

Jack Greenhalgh

Director of Photography

Melville De Lay

Assistant Director