Unknown Island - Elenco
Virginia Grey
Carole Lane
Phillip Reed
Ted Osborne
Richard Denning
John Fairbanks
Barton MacLane
Capt. Tarnowski
Dick Wessel
Sanderson, 1st Mate
Dan White
Crewman Edwards
Harry 'Snub' Pollard
Extra in Dive, Pointing Out Tarnowski
Ray Corrigan
Monster (uncredited)