War of the Colossal Beast

Sally Fraser

Joyce Manning

Roger Pace

Major Mark Baird

Duncan 'Dean' Parkin

Col. Glenn Manning

Russ Bender

Dr. Carmichael

Rico Alaniz

Sgt. Luis Murillo

George Becwar

John Swanson, truck owner

Roberto Hernández

Miguel

Charles Stewart

Capt. Harris

June Jocelyn

Mrs. Edwards, mother

John McNamara

The Neurologist

Loretta Nicholson

Joan

Raymond Winston

Arthur Lang

Jack Kosslyn

Newscaster

George Navarro

Mexican Doctor

Bob Garnet

Capitol Hill Reporter

Stan Chambers

TV Announcer

June Burt

Laurie Edwards

Howard Wright

Medical Research Official

Albert Glasser

Original Music Composer

George Worthing Yates

Screenplay

James H. Nicholson

Executive Producer

Jack A. Marta

Director of Photography

Bert I. Gordon

Producer, Director

Samuel Z. Arkoff

Executive Producer