Torchy, Steve, and Gahagan are on the trail of a bank robber aboard an ocean liner traveling from New York to L.A. via the Panama Canal.
Torchy Blane
Detective Lieutenant Steve 'Stevie' McBride
Detective Gahagan
Stanley 'Stan' Crafton
Reporter Bill 'Billy' Canby
Kitty, Gomez's Moll
Skinner
Botkin (as James Conlon)
Maxie
Captain McTavish