Riven

Marten Lamont

as Jerry Blake

Helen Talbot

as Joyce Kingston

George J. Lewis

as Jim Belmont

Lorna Gray

as Rita Parker

Hal Taliaferro

as Matt Farrell

LeRoy Mason

as Morton

William Stevens

as Agent Fred Martin

Maurice Cass

as Signor Giuseppe Morello

Kernan Cripps

as Agent Thomas Jeffries

Elaine Lange

as Countess Delremy

Frank Jaquet

as Warren Hunter

Forrest Taylor

as Otto Wolfe

Jay Novello

as Heinrick

Tom London

as Prof. Crawford

Jack Ingram

as Riggs

Spencer Gordon Bennet

Director

Theodore Lydecker

Special Effects

Albert DeMond

Screenplay

Basil Dickey

Screenplay

Howard Lydecker

Special Effects

Yakima Canutt

Director

Ronald Davidson

Producer

Tom Steele

Stunts

Dale Van Sickel

Stunts

Wallace Grissell

Director

Joseph F. Poland

Screenplay

Jesse Duffy

Screenplay

Cliff Bell Sr.

Editor

Harold Minter

Editor

Fred Graham

Stunts

Duke Green

Stunts

Victor B. Appel

Sound Recordist

Bob Mark

Makeup Artist

Ken Terrell

Stunts

Bud Thackery

Director of Photography

Richard Cherwin

Music Director