Morgan Conway as Dick Tracy

Anne Jeffreys as Tess Trueheart / Blythe Belmonte

Lyle Latell as Pat Patton

Rita Corday as Mona Clyde, Sparkle's Secretary

Ian Keith as Vitamin Flintheart

Dick Wessel as Harry 'Cueball' Lake

Douglas Walton as Percival Priceless, Antique Store Owner

Esther Howard as Filthy Flora, Dripping Dagger Proprietor

Joseph Crehan as Chief Brandon

Byron Foulger as Simon Little, Sparkle's Diamond Cutter

Jimmy Crane as Junior

Jimmy Clemons Jr. as Butch

Milton Parsons as Higby

Skelton Knaggs as Rudolph

Trevor Bardette as Abbott

Harry Cheshire as Jules Sparkle

Fred Aldrich as Ship Officer (uncredited)

George Barrows as Crewman (uncredited)

Eddie Borden as Drunk (uncredited)

Robert Bray as Steve (uncredited)

Jack Cheatham as Cop (uncredited)

Harry Cheshire as Jules Sparkle (uncredited)

Ralph Dunn as Policeman (uncredited)

Lee Frederick as Purser (uncredited)

Raoul Freeman as Policeman (uncredited)

Dorothy Granger as Leeds (uncredited)

Kit Guard as Bar Customer (uncredited)

Perc Launders as Telephone Operator (uncredited)

Robert Milasch as Bar Customer (uncredited)

Frank Mills as Drunk (uncredited)

Mike Morelli as Bar Customer (uncredited)

William Newell as Piano Player (uncredited)

Jason Robards Sr. as Captain (uncredited)

Max Wagner as Bartender (uncredited)

Bill Wallace as Doorman (uncredited)

Phil Warren as Dr. Martin (uncredited)