Morgan Conway

Dick Tracy

Anne Jeffreys

Tess Trueheart / Blythe Belmonte

Lyle Latell

Pat Patton

Rita Corday

Mona Clyde, Sparkle's Secretary

Ian Keith

Vitamin Flintheart

Dick Wessel

Harry 'Cueball' Lake

Douglas Walton

Percival Priceless, Antique Store Owner

Esther Howard

Filthy Flora, Dripping Dagger Proprietor

Joseph Crehan

Chief Brandon

Byron Foulger

Simon Little, Sparkle's Diamond Cutter

Milton Parsons

Higby

Skelton Knaggs

Rudolph

Trevor Bardette

Abbott

Harry Cheshire

Jules Sparkle

Fred Aldrich

Ship Officer (uncredited)

George Barrows

Crewman (uncredited)

Eddie Borden

Drunk (uncredited)

Robert Bray

Steve (uncredited)

Jack Cheatham

Cop (uncredited)

Harry Cheshire

Jules Sparkle (uncredited)