La conquista dello spazio

Walter Brooke

Gen. Samuel T. Merritt

Eric Fleming

Capt. Barney Merritt

Mickey Shaughnessy

Sgt. Mahoney

Phil Foster

Jackie Siegle

William Redfield

Roy Cooper

William Hopper

Dr. George Fenton

Benson Fong

Imoto

Ross Martin

Andre Fodor

Vito Scotti

Sanella

John Dennis

Donkersgoed

Michael Fox

Elsbach

Joan Shawlee

Rosie McCann

Iphigenie Castiglioni

Mrs. Heinz Fodor

Rosemary Clooney

Musical Number (archive footage) (uncredited)