The Stooges join the war effort by enlisting at Merchant Marines. While aboard, they have a brief run-in with (a secret German Nazi officer) Lt. Dungen (Vernon Dent), and then mistake a torpedo for a beached whale. Moe says they have to kill it, and it promptly explodes. After being lost at sea for several days, they come across the SS Schicklgruber and climb aboard. Now with fully grown beards, they come across Lt. Dungen again, who does not recognize them. After realizing they are on a German war ship they eventually overtake the crew and toss them overboard.
| Actor | Role |
|---|---|
 Curly HowardCurly | Curly |
 Larry FineLarry | Larry |
 Moe HowardMoe | Moe |
 Stanley BlystoneHerr Capitan (uncredited) | Herr Capitan (uncredited) |
 Vernon DentLt. Dungen (uncredited) | Lt. Dungen (uncredited) |
 Bud JamisonPetty Officer (uncredited) | Petty Officer (uncredited) |
 Adele MaraDizzy (uncredited) | Dizzy (uncredited) |
 Al ThompsonGerman Officer / German Sailor (uncredited) | German Officer / German Sailor (uncredited) |
| TTom ColemanMilitary officer (uncredited) | Military officer (uncredited) |
 Jack 'Tiny' LipsonHuge German Sailor (uncredited) | Huge German Sailor (uncredited) |
 Sam LufkinGerman Sailor (uncredited) | German Sailor (uncredited) |
| SSally CairnsTizzy | Tizzy |
| RRuth SkinnerLizzy | Lizzy |