Ralph Byrd

as Dick Tracy

Irving Pichel

as Nicolas Zarnoff

Ted Pearson

as Agent Steve Lockwood

Walter Miller

as Henchman Robal

George Douglas

as Henchman Sandoval

Kenneth Harlan

as FBI Chief Clive Anderson [Chs. 13-15]

Robert Carson

as Agent Scott

Julian Madison

as Agent Foster

Ted Mapes

as Agent Dan Murchison

Jennifer Jones

as Gwen Andrews

William Stahl

as Agent Bruce

Robert Wayne

as Agent Wilbur

Joe McGuinn

as Henchman Tom

Ken Terrell

as Henchman Ed

Harry Humphrey

as Warden Stover

Harrison Greene

as Baron

Broderick O'Farrell

as Russell

George Allen

as Barge Crewman

Ed Brady

as Jonas

Robert Brister

as Dr. Kranz

Earle D. Bunn

as Al

George Burton

as Henchman

Budd Buster

as Cappy

Louis Caits

as Jerry the Human Fly

Ed Cassidy

as Yacht Captain

James Cassidy

as Mr. Collins

Allan Cavan

as 2nd Warden

Eddie Cherkose

as Thug in Ghost Town

George Cleveland

as Gramps Williams

Edmund Cobb

as Lt. Reynolds

Tris Coffin

as Emissary Zobar (uncredited)

Russell Collier

as Police Dispatcher

Ken Cooper

as Gus

Alan Davis

as Capt. Link

George DeNormand

as Jack

Charles Dorety

as Barge Thug

Curley Dresden

as Thug on Boat

James Fawcett

as Thug in House

Joseph Forte

as Stanton

Jerry Frank

as Jake

Charles K. French

as Doctor

Milton Frome

as Officer

Bud Geary

as Ben

Ray Harper

as Martin

Robert Hartford

as Gus

Barry Hays

as Johnson

Edward Hearn

as Forest Ranger

Reed Howes

as Slim

Charles Hutchison

as Brandon

Lloyd Ingraham

as Judge Stoddard

Perry Ivins

as Emissary Telef

Bob Jamison

as Thug at Truck

Ray Johnson

as Phony Gas Station Attendant

Jack Kenney

as Ward

Ethan Laidlaw

as Pete

William Lally

as Thug in Ghost Town

Harry Lang

as Barossa

Raymond Largay

as FRussell

Bert LeBaron

as Thug at Lighthouse

John Locke

as Newscaster

Carey Loftin

as Trooper on Foot

Merrill McCormick

as Green's Assistant

Millard McGowan

as Thug at Hangar

Sammy McKim

as Sammy Williams

Frank Meredith

as Officer Duffy

Walter Merrill

as Junior Officer

Bruce Mitchell

as Prison Guard

John Moloney

as Tim

Monte Montague

as Bayside Dock Thug

Charles Murphy

as Stopes

Bill Nestell

as Thug in Truck

Frank O'Connor

as Army Captain

Eddie Parker

as Bayside Dock Thug

Edward Peil Sr.

as Price

Charles Phillips

as Thug on Barge

Allen Pomeroy

as Bayside Dock Thug

Stanley Price

as Dr. Shang

Jack Raymond

as Gus Fleming

Charles Regan

as Thug at Dam

Jack Roberts

as Lenny Slade

Dick Rush

as Police Sergeant

Bigelow Sayre

as Davis

Fred Schaefer

as Bayside Dock Thug

Gilman Shelton

as Joe

Charles Sherlock

as Car 14 Trooper

Lee Shumway

as Burke

Cy Slocum

as Thug in House

Tom Steele

as Lighthouse and House Thug

Charles Sullivan

as Brody

Bernard Suss

as Emissary Lassen

Josef Swickard

as Presidente Huenemo Mendoza

Al Taylor

as Launch Henchman

Forrest Taylor

as Mr. Stevens

Bob Terry

as Benton

Sailor Vincent

as Intern

Peter von Ziegler

as Green

Herman E. Webber

as James Robinson

Wally West

as Henchman in Office

Bill Wilkus

as Thug at Hangar

Bud Wolfe

as Bill / 3rd Ghost Town Thug

Bill Yrigoyen

as Howard

Joe Yrigoyen

as Barge Crewman