Cast
Michael RennieLord John Roxton
Jill St. JohnJennifer Holmes
David HedisonEd Malone
Claude RainsProf. George Edward Challenger
Fernando LamasManuel Gomez
Richard HaydnProf. Summerlee
Ray StricklynDavid Holmes
Jay NovelloCosta
Vitina MarcusNative Girl
Ian WolfeBurton White
Colin CampbellProf. Waldron (uncredited)
John GrahamStuart Holmes (uncredited)
Larry ChanceIndian Chief (uncredited)- Bert StevensReporter at Airport (uncredited)
Al BainMan at Airport (uncredited)
