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)

Edythe Elliott
Mrs. Caraway (uncredited)

Franklyn Farnum
Bystander at Murder (uncredited)