A convict who has just escaped from Alcatraz Prison takes over a passenger ship. Two of the ship's crew hatch a plot to overpower him and rescue the ship's passengers.
Dale Borden
Raymond Grayson
Captain Glennan
Steve Murkil
Robert MacArthur
Lou Gedney
First Mate Rogers (as Richard Stanley)
Harry Vay
Murok
Dave Carter
Olaf
'Nails' Miller
Dixie (as Dorothy Howe)
Officer
1st Radio Operator
Radio Operator (as Philip Warren)
Matthew Talbot
Gus Banshek
Bonnie Larkin (uncredited)