Calificación
Reparto

Richard Eyer
Timmie Merrinoe

Philip Abbott
Dr. Tom Merrinoe

Diane Brewster
Mary Merrinoe

Harold J. Stone
Gen. Swayne

Robert H. Harris
Prof. Frank Allerton

Dennis McCarthy
Col. Macklin

Alexander Lockwood
Arthur Kelvaney

John O'Malley
Prof. Baine

Gage Clarke
Dr. Bannerman

Than Wyenn
Prof. Zeller

Jefferson Dudley Searles
Prof. Foster

Alfred Linder
Martin / Computer

Ralph Votrian
1st Gate Sergeant

Michael Miller
2nd Gate Sergeant

Rayford Barnes
Capt. McLaren (uncredited)

Helen Kleeb
Miss Vandergrift (uncredited)