Letzte Signal was released in the year 1953。Letzte Signal is also called as Island in the Sky, Valkoinen helvetti, S.O.S. - vi nødlander, S O S - vi nödlandar!, Isola nel cielo, Isla en el cielo, Infierno blanco。

A transport plane crash-lands in the frozen wastes of Labrador, and the plane's pilot, Dooley, must keep his men alive in deadly conditions while waiting for rescue.

Letzte Signal actors and actresses include Carl 'Alfalfa' Switzer, Fess Parker, Harry Carey Jr., Herbert Anderson, James Arness, Jimmy Lydon。