A Submarine Pirate

Syd Chaplin

Ambitious waiter

Glen Cavender

A shrewd inventor / Ship Captain

Wesley Ruggles

His accomplice / Sub Officer

Phyllis Allen

A pugnacious guest

Josh Binney

Hotel Manager

Dan Albert

Man in Lobby with Bowtie (uncredited)

Frank Alexander

Man on Crutches (uncredited)

Cecile Arnold

A Peach at the Hotel (uncredited)