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)

Minnie Chaplin

Woman in Lobby (uncredited)

Ted Edwards

Waiter (uncredited)

Louise Fazenda

Dinner Guest (uncredited)

Al Hill

Navigator / Torpedo Loader (uncredited)