Edmund Lowe
Dr. John Mandre
Lucile Fairbanks
Peg Campbell
William Henry
Jim Armstrong (as Bill Henry)
Ralph Morgan
Dr. Brady
Robert Middlemass
Sam Armstrong
Jean Brooks
Rae Langton
Mary Forbes
Mrs. Langton
Vince Barnett
Alaska
Clyde Cook
Yukon
Marjorie Wood
Ellen
Monte Blue
Flight Dispatcher
Kenneth Harlan
Flight Dispatcher
Leonid Snegoff
Dr. Recksner