cast
- Michi Kobi
- Dr. Hideko Murata
- Tom Conway
- Dr. Feodor Orloff
- John Wengraf
- Dr. Erik Heinrich
- Phillip Baird
- Dr. Rochester
- Roger Til
- Dr. Etienne Martel
- Richard Weber
- Dr. David Ruskin
- Francis X. Bushman
- Narrator
- Anna-Lisa
- Dr. Sigrid Bromark
- Kenneth Clark
- Capt. John Anderson
- Anthony Dexter
- Dr. Luis Vargas
- Robert Montgomery
- Roddy Murdock
crew
- David Bradley
- Director
- Fred Gebhardt
- Producer, Screen Story
- DeWitt Bodeen
- Screenwriter
- John Alton
- Cinematographer
- Michael Andersen
- Composer (Music Score)
- Edward Mann
- Editor
- Rudi Feld
- Art Director
- John Burton
- Set Designer
- Howard A. Anderson
- Special Effects
