Ralph Byrd
Dick Tracy
Irving Pichel
Nicolas Zarnoff
Ted Pearson
Agent Steve Lockwood
Walter Miller
Henchman Robal
George Douglas
Henchman Sandoval
Kenneth Harlan
FBI Chief Clive Anderson [Chs. 13-15]
Robert Carson
Agent Scott
Julian Madison
Agent Foster
Ted Mapes
Agent Dan Murchison
Jennifer Jones
Gwen Andrews
William Stahl
Agent Bruce
Robert Wayne
Agent Wilbur
Joe McGuinn
Henchman Tom
Ken Terrell
Henchman Ed
Harry Humphrey
Warden Stover
Harrison Greene
Baron
Broderick O'Farrell
Russell
George Allen
Barge Crewman
Ed Brady
Jonas
Robert Brister
Dr. Kranz
Earle D. Bunn
Al
George Burton
Henchman
Budd Buster
Cappy
Louis Caits
Jerry the Human Fly
Ed Cassidy
Yacht Captain
James Cassidy
Mr. Collins
Allan Cavan
2nd Warden
Eddie Cherkose
Thug in Ghost Town
George Cleveland
Gramps Williams
Edmund Cobb
Lt. Reynolds
Tris Coffin
Emissary Zobar (uncredited)
Russell Collier
Police Dispatcher
Ken Cooper
Gus
Alan Davis
Capt. Link
George DeNormand
Jack
Charles Dorety
Barge Thug
Curley Dresden
Thug on Boat
James Fawcett
Thug in House
Joseph Forte
Stanton
Jerry Frank
Jake
Charles K. French
Doctor
Milton Frome
Officer
Bud Geary
Ben
Ray Harper
Martin
Robert Hartford
Gus
Barry Hays
Johnson
Edward Hearn
Forest Ranger
Reed Howes
Slim
Charles Hutchison
Brandon
Lloyd Ingraham
Judge Stoddard
Perry Ivins
Emissary Telef
Bob Jamison
Thug at Truck
Ray Johnson
Phony Gas Station Attendant
Jack Kenney
Ward
Ethan Laidlaw
Pete
William Lally
Thug in Ghost Town
Harry Lang
Barossa
Raymond Largay
FRussell
Bert LeBaron
Thug at Lighthouse
John Locke
Newscaster
Carey Loftin
Trooper on Foot
Merrill McCormick
Green's Assistant
Millard McGowan
Thug at Hangar
Sammy McKim
Sammy Williams
Frank Meredith
Officer Duffy
Walter Merrill
Junior Officer
Bruce Mitchell
Prison Guard
John Moloney
Tim
Monte Montague
Bayside Dock Thug
Charles Murphy
Stopes
Bill Nestell
Thug in Truck
Frank O'Connor
Army Captain
Eddie Parker
Bayside Dock Thug
Edward Peil Sr.
Price
Charles Phillips
Thug on Barge
Allen Pomeroy
Bayside Dock Thug
Stanley Price
Dr. Shang
Jack Raymond
Gus Fleming
Charles Regan
Thug at Dam
Jack Roberts
Lenny Slade
Dick Rush
Police Sergeant
Bigelow Sayre
Davis
Fred Schaefer
Bayside Dock Thug
Gilman Shelton
Joe
Charles Sherlock
Car 14 Trooper
Lee Shumway
Burke
Cy Slocum
Thug in House
Tom Steele
Lighthouse and House Thug
Charles Sullivan
Brody
Bernard Suss
Emissary Lassen
Josef Swickard
Presidente Huenemo Mendoza
Al Taylor
Launch Henchman
Forrest Taylor
Mr. Stevens
Bob Terry
Benton
Sailor Vincent
Intern
Peter von Ziegler
Green
Herman E. Webber
James Robinson
Wally West
Henchman in Office
Bill Wilkus
Thug at Hangar
Bud Wolfe
Bill / 3rd Ghost Town Thug
Bill Yrigoyen
Howard
Joe Yrigoyen
Barge Crewman