温戴尔·柯瑞

Wendell Corey

饰：Adm. David King

基斯·拉森

Keith Larsen

饰：Cmdr. Scott

约翰·艾加尔

John Agar

饰：Dr. Farrell

Paul Gilbert

饰：Lt. Red Bradley

麦瑞·安德丝

Merry Anders

饰：Lt. Karen Lamont

斯图尔特·马戈林

Stuart Margolin

饰：Chief

Kam Tong

饰：Jung

Ron Stokes

饰：Sgt. Allen

Adam Roarke

饰：Centaurian

保罗·汉普顿

Paul Hampton

饰：Harris

Ronald Lyon

Ronald Lyon

饰：Wilson (as Ron Lyon)

Sally Frei

饰：Centaurian Girl

Suzie Kaye

Suzie Kaye

饰：Ens. Stevens

格伦·兰甘

Glenn Langan

饰：Capt. Ross

Joanne Miya

饰：Zenda

诸慧荷

Irene Tsu

饰：Linda

罗伯特·伊图

Robert Ito

饰：Tang (as Roberto Ito)

加文·麦克劳德

Gavin MacLeod

饰：Radio Operator (uncredited)

Lyle Waggoner

饰：(uncredited)

Todd Lasswell

Todd Lasswell

饰：Lt. Charles Anderson (as Todd Laswell)

Hans Wedemeyer

Hans Wedemeyer

饰：Jang

Anthony Lee

Anthony Lee

饰：(as Lee Anthony)

Joyce Carol

Joyce Carol

Jamie McRae

Jamie McRae

饰：(as Jamie Mc Rae)