Marilyn Hanold

Princess Marcuzan

James Karen

Dr. Steele

Lou Cutell

Dr. Nadir

Nancy Marshall

Karen Grant

David Kerman

General Bowens

Robert Reilly

Col. Frank Saunders / Frankenstein

Robert Alan Browne

Martian Crewmember (uncredited)

Robert Fields

Reporter (uncredited)

Bruce Glover

Martian Crewmember / The Monster (uncredited)

Robert McCarty

Producer

Maurice Rosenblum

Sound Director

Anna Hill Johnstone

Costume Design

John Alese

Makeup Artist

Robert Gaffney

Director

Saul Midwall

Director of Photography

Lawrence C. Keating

Editor

George Garrett

Story

Stanley P. Darer

Associate Producer

Alan V. Iselin

Executive Producer