The Land Unknown › Cast
Jock Mahoney
Cmndr. Harold "Hal" Roberts
Shirley Patterson
Margaret "Maggie" Hathaway
William Reynolds
Lt. Jack Carmen
Henry Brandon
Dr. Carl Hunter
Douglas Kennedy
Capt. Burnham
Phil Harvey
Machinist's Mate Steve Miller
Ralph Brooks
Man at Briefing
George Colega
Tom Coleman
Kenner G. Kemp
Officer at Briefing
Bing Russell
Radio Operator
Bert Stevens