The Man in Blue

Robert Wilcox

Frankie Dunne

Edward Ellis

Martin Dunne

Nan Grey

June Hanson

Richard Carle

Willie Loomis

Ralph Morgan

The 'Professor'

Alma Kruger

Mrs. Dunne

Bill Burrud

Frankie as a Boy

Aggie Herring

Aggie

Frederick Burton

Parke Lewis

Herbert Corthell

Patrolman Pat Casey

Selmer Jackson

District Attorney

Milburn Stone

Henchman 'Dutch'

Milton Carruth

Director

Kubec Glasmon

Story

Lester Cole

Screenplay