Charlie Chaplin

Doughboy

Edna Purviance

The Girl

Sydney Chaplin

Charlie's Comrade / The Kaiser

Loyal Underwood

Short German Officer

Henry Bergman

Fat Whiskered German Soldier / The Kaiser's General / Bartender

Tom Wilson

Dumb German Wood-Cutter

Albert Austin

American Soldier / Clean Shaven German Soldier / Bearded German Soldier

Jack Wilson

Crown Prince

W.J. Allen

Motorcyclist (uncredited)

L.A. Blaisdell

Motorcyclist (uncredited)

Alva D. Blake

U.S. Soldier / German Officer (uncredited)

Cliff Brouwer

Soldier (uncredited)