Morgan Conway
Dick Tracy

Anne Jeffreys
Tess Trueheart

Mike Mazurki
'Splitface'

Jane Greer
Judith Owens

Lyle Latell
Pat Patton

Joseph Crehan
Chief Brandon

Mickey Kuhn
Junior

Trevor Bardette
Prof. Linwood J. Starling

Morgan Wallace
Steve Owens

Milton Parsons
Deathridge the Undetaker

William Halligan
Mayor

Sam Ash
Policeman (uncredited)

Gertrude Astor
Woman (uncredited)

Tanis Chandler
Miss Stanley (uncredited)

Jack Chefe
Paradise Club Headwaiter (uncredited)

Mary Currier
Dorothy Stafford (uncredited)

Ralph Dunn
Detective Manning (uncredited)

Bruce Edwards
Police Sergeant (uncredited)

Franklyn Farnum
Bystander at Murder (uncredited)

Edmund Glover
Joe - Police Radio Dispatcher (uncredited)

Kenner G. Kemp
Paradise Club Patron (uncredited)

Mike Lally
Mayor's Escort (uncredited)

Wilbur Mack
Motorist (uncredited)

George Magrill
Detective at Starling's Interrogation (uncredited)

Alphonse Martell
Jules (uncredited)

Harold Miller
Paradise Club Patron (uncredited)

Tommy Noonan
Johnny Moko (uncredited)

Bob Reeves
Policeman (uncredited)

Jason Robards Sr.
Motorist (uncredited)

Harry Strang
Detective at Starling's Interrogation (uncredited)