John Carradine
Cosmic Man
Acting
Bruce Bennett
Dr. Karl Sorenson
Acting
Angela Greene
Kathy Grant
Acting
Paul Langton
Col. Matthews
Acting
Scotty Morrow
Ken Grant
Acting
Lyn Osborn
Sgt. Gray
Acting
Walter Maslow
Dr. "Rich" Richie
Acting
Herbert Lytton
Gen. Knowland
Acting
Ken Clayton
Master Sergeant
Acting
Harry Fleer
Bill, the Park Ranger
Acting
John Erman
Radar Operator
Directing
Dwight Brooks
Major
Directing
Hal Torey
Dr. Steinholtz
Acting
Alan Wells
Sergeant
Acting