John Agar
Dr. Roger Bentley
Cynthia Patrick
Adad
Hugh Beaumont
Dr. Jud Bellamin
Alan Napier
Elinu, the High Priest
Nestor Paiva
Prof. Etienne Lafarge
Phil Chambers
Dr. Paul Stuart
Rodd Redwing
Nazar
Robin Hughes
First Officer
Eddie Parker
Mole Person
Frank Baxter
Self (as Dr. Frank C. Baxter)
Robert F. Hoy
Joe Abdullah
Yvonne de Lavallade
John Dodsworth
