크레딧 출연 John Archer Jim Barnes Warner Anderson Dr. Charles Cargraves Tom Powers General Thayer Dick Wesson Joe Sweeney Erin O'Brien-Moore Emily Cargraves Steve Carruthers Businessman at Meeting (uncredited) Franklyn Farnum Factory Worker (uncredited) Jack Gargan Businessman at Meeting (uncredited) Everett Glass Mr. La Porte (uncredited) Kenner G. Kemp Businessman at Meeting (uncredited) Knox Manning Himself (uncredited) Mike Miller Undetermined Secondary Role (uncredited) Irving Pichel Off Screen Narrator of Woody Woodpecker Cartoon (voice) (uncredited) Cosmo Sardo Businessman at Meeting (uncredited) Grace Stafford Woody Woodpecker (voice) (uncredited) Bert Stevens Businessman at Meeting (uncredited) Ted Warde Brown (uncredited) 스텝 Robert A. Heinlein Writing Alford Van Ronkel Writing Irving Pichel Directing George Pal Production James O'Hanlon Writing Duke Goldstone Editing Lionel Lindon Camera George Sawley Art Leith Stevens Sound Lee Zavitz Crew Ernst Fegté Art