Characters played by Boris Karloff
Gruesome
Characters played by Ralph Byrd
Dick Tracy
Characters played by Anne Gwynne
Tess Trueheart
Characters played by Edward Ashley
Dr. L. E. Thal
Characters played by June Clayworth
Dr. Irma M. Learned
Characters played by Lyle Latell
Pat Patton
Characters played by Tony Barrett
Melody
Characters played by Skelton Knaggs
X-Ray
Characters played by James Nolan
Dan Sterne
Characters played by Joseph Crehan
Chief Brandon
Characters played by Milton Parsons
Dr. A. Tomic
Characters played by Ernie Adams
Waiter at Hangman's Knot
Characters played by Phil Arnold
Sneezing Bank Customer
Characters played by Walter Bacon
Bar Patron
Characters played by Lex Barker
City Hospital Driver
Characters played by Eddie Borden
Bank Customer
Characters played by Robert Bray
Sergeant
Characters played by Robert Clarke
Fred - Police Analyst
Characters played by George Cooper
Stone - Bank Teller
Characters played by Suzi Crandall
Blonde Customer
Characters played by William Gould
Pop
Characters played by Ben Hall
Luke - Police Stooge
Characters played by Harry Harvey
Humphrey - Bank Guard
Characters played by Tom Keene
Dr. Frankey
Characters played by George Lloyd
Owner of the Hangman's Knot
Characters played by Robert Malcolm
Doctor
Characters played by Sean McClory
Officer Carney
Characters played by Lew Meehan
Police Driver in Montage
Characters played by Bruce Mitchell
Police Sgt. in Montage
Characters played by Lee Phelps
Detective
Characters played by Lorin Raker
Insolvent Borrower
Characters played by Bert Roach
Crandall
Characters played by Jason Robards Sr.
Bank Officer
Characters played by Harry Strang
Tim
Characters played by Tex Swan
Policeman