The S. S. Arcturus sails from Shanghai to San Francisco, and Dr. Jim Craig takes the post of ship's physician in order to be near Ann Grayson, the ship's nurse. Chief Engineer 'Crusher" McKay also has his eyes on Ann, and this brings an immediate conflict between the two men. When an epidemic breaks out below decks, Craig tells McKay the engine-and-fire rooms must be put under quarantine, but all of Craig's efforts to keep the disease from spreading are opposed by McKay.
as Crusher McKay
as Doctor Craig
as Ann Grayson
as Gallagher
as Britches
as Bilson
as Captain Mathews
as Deadeyes
as Wishart
as Metcalfe
as Olaf
as Silvio
as Kovac
as Stoker (uncredited)
as Junior officer (uncredited)
as Ship Steward (uncredited)
as Ship's Officer (uncredited)
as Fat Passenger (uncredited)
as San Francisco Port Doctor (uncredited)
as Miss Smith - Dancing with Crusher (uncredited)
as Engineering Officer Dearborn (uncredited)
as Ship's Officer (uncredited)
as Crew Member (uncredited)
as Chinese Stowaway (uncredited)
as Navigator (uncredited)
as Engineering Officer Bates (uncredited)
as Crew Member (uncredited)
as Professor - Black Stoker (uncredited)
