Princess Marcuzan

Marilyn Hanold

Dr. Steele

James Karen

Dr. Nadir

Lou Cutell

Karen Grant

Nancy Marshall

General Bowens

David Kerman

Col. Frank Saunders / Frankenstein

Robert Reilly

Martian Crewmember (uncredited)

Robert Alan Browne

Reporter (uncredited)

Robert Fields

Martian Crewmember / The Monster (uncredited)

Bruce Glover

Producer

Robert McCarty

Director

Robert Gaffney

Director of Photography

Saul Midwall

Editor

Lawrence C. Keating

Costume Design

Anna Hill Johnstone

Sound Director

Maurice Rosenblum

Makeup Artist

John Alese

Story

George Garrett

Associate Producer

Stanley P. Darer

Executive Producer

Alan V. Iselin