Cast
Lloyd Haynes
Lt. Dave Burston
Dewey Martin
Skip Langley
William Windom
Capt. Frank Reardon
John Winston
English Scientist
레너드 니모이
Comdr. Phil Kettenring
Keenan Wynn
Orville Kelly
샘 엘리엇
Ens. William 'Bill' Sandover
조셉 코튼
Admiral
Ron Masak
CPO Corky Schmidt
Larry McCormick
Radio Operator
Malachi Throne
Dr. Dykers
Ivor Barry
Donald Ellington