The Unknown Terror

John Howard

Dan Matthews

Mala Powers

Gina Matthews

Paul Richards

Peter Morgan

May Wynn

Concha Ramsey

Gerald Milton

Dr. Ramsey

Duane Grey

Lino

Richard Gilden

Raoul Koom

Martín Garralaga

Lead Villager

Patrick O'Moore

Dr. Willoughby

William Hamel

Mr. Trainor

Charles Grey

Jim Wheatley / ?The Monster Man

Charles Postal

Higgs (butler)

Sir Lancelot

Sir Lancelot

Charles Cirillo

Native (uncredited)

Jim Whitecloud

Native (uncredited)

Foster Hood

Native (uncredited)

Joseph F. Biroc

Director of Photography

Michael Luciano

Editor

Raoul Kraushaar

Original Music Composer

Charles Marquis Warren

Director

Jack Rabin

Special Effects

Louis DeWitt

Special Effects

Robert Stabler

Producer

James W. Sullivan

Art Direction

Glen Alden

Makeup Artist

Nathan Barragar

Assistant Director, Production Manager

Kenneth Higgins

Writer

Vou Lee Giokaris

Wardrobe Supervisor

Fred W. Berger

Supervising Film Editor

G. W. Bernsten

Set Decoration

Hugh McDonald

Sound

Robert O'Dell

Wardrobe Supervisor

Pat Whiffing

Hairstylist

Mike Gordon

Property Master