Jack Mulhall

John Thornton

Walter Long

Hagin

Sidney D'Albrook

Charles

Laura Roessing

Mercedes

Frank Butler

Hal

Lassie Lou Ahern

Baby Girl

Jack Murphy

Maurice Murphy

Peggy Ahern

Buck

Buck

Fred Jackman

Director

Fred Jackman

Writer

Jack London

Novel

Egerton Ryerson Young

Writers' Production

Hal Roach

Producer

Floyd Jackman

Director of Photography