All Cast
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
Mole Person
Joe Abdullah
Yvonne de Lavallade
John Dodsworth
Arthur D. Gilmour
Marc Hamilton
Bob Herron
Kay E. Kuter
James Logan
Billy Miller
Joe Rubino