
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)