"The Land Unknown" (Reparto)

Actores principales

• Jock Mahoney

  Personaje: Commander Harold \'Alan\' Roberts
• Shirley Patterson

  Personaje: Margaret \'Maggie\' Hathaway
• William Reynolds

  Personaje: Lt. Jack Carmen
• Henry Brandon

  Personaje: Dr. Carl Hunter
• Douglas Kennedy

  Personaje: Capt. Burnham
• Phil Harvey

  Personaje: Machinist\'s Mate Steve Miller
• Kenner G. Kemp

  Personaje: Officer at Briefing / Officer on Ship (uncredited)
• Bing Russell

  Personaje: Radio Operator (uncredited)
• Bert Stevens

  Personaje: Officer at Briefing (uncredited)