Sworn Enemy

A law student poses as a fight promoter to catch a notorious gangster.

Robert Young

Henry 'Hank' Sherman

Florence Rice

Margaret 'Peg' Gattle

Joseph Calleia

Joe Emerald

Lewis Stone

Doctor Simon 'Doc' Gattle

Nat Pendleton

'Steamer' Krupp

Harvey Stephens

District Attorney Paul Scott

Samuel S. Hinds

Eli Decker

Edward Pawley

'Dutch' McTurck

John Wray

Lang, a Gangster

Cy Kendall

Simmons

Leslie Fenton

Steve Sherman

Robert Gleckler

Hinkle, a Gangster

Norman Ainsley

Bergen (uncredited)

Ernie Alexander

Man Calling Hank to Phone (uncredited)

King Baggot

Accident Witness (uncredited)

Jack Baxley

Ring Announcer (uncredited)

Sidney Bracey

Waiter (uncredited)

Ed Brady

Mike (uncredited)