에이리언 몬스터

Tom Tryon

Bill Farrell

Gloria Talbott

Marge Bradley Farrell

Alan Dexter

Sam Benson

Jean Carson

Helen Rhodes

Ken Lynch

Dr. Wayne

Maxie Rosenbloom

Max Grady - Bartender

Peter Baldwin

Officer Hank Swanson

Jack Orrison

Officer Schultz

John Eldredge

Police Capt. H.B. Collins

Robert Ivers

Harry Phillips

Chuck Wassil

Ted Hanks

Ty Hardin

Mac Brody (as Ty Hungerford)

Valerie Allen

Francine - Hooker

Mary Treen

Mother Bradley (uncredited)

James Anderson

Weldon

Steve London

Charles Mason

Darlene Fields

Caroline Hanks (uncredited)

Tony Di Milo

Mr. Potter - Western Union Clerk (uncredited)

Sherry Staiger

First Girl (uncredited)

Helen Jay

Second Girl (uncredited)