Chester Morris

as Self (archive footage)

as Self (archive footage)

as Pop Weaver

as Jimmie Burnham in 'The Gay Bride' (archive footage)

as Blaine Davis

as Major Whitman

as Harry Kemp

as Self

as Self

as Tom Monahan

as Walter Harmon

as Mr. Hull

as Emmett McNeill

as Albert DeWitt

as Oscar

as Swanson

as Hugh Clements

as Moody

as Frank Manfred

as Self

as Warden

as Frank Simmons

as Dr. Carlo Lombardi

as Kenyon Scudder

as Host

as The Dansker

as Tony

as Lefty

as Merlini

as Col. Bobo Nolan

as Horatio 'Boston Blackie' Black

as Edwards

as Jack Feeney

as Jack Sparling

as Sam Benson

as Warden Garry

as Horatio 'Boston Blackie' Black

as Jeffrey Andrews

as Horatio 'Boston Blackie' Black

as Horatio 'Boston Blackie' Black

as Paul (uncredited)

as Horatio 'Boston Blackie' Black / Cyrus Peyton

as Barry Cole

as Horatio 'Boston Blackie' Black

as Horatio 'Boston Blackie' Black

as Brad Crowder

as Larry Burke

as Horatio 'Boston Blackie' Black

as Jeff Gallagher

as Ross Hadley

as Horatio 'Boston Blackie' Black

as Pete Ramsey

as Buzz Mitchell

as Foxy Pattis

as Boston Blackie

as Duke Mason

as Boston Blackie

as Jeff Morrell

as Boston Blackie

as 'Hardtack' Hamilton

as Boston Blackie

as Detective Humphrey Campbell

as Boston Blackie

as Jim Holden / Dr. Gary Currier

as David Cook / Tom Cook

as Lt. Jim Malone

as 'Rocky' Blake

as Himself (uncredited)

as Bill Brooks

as Self

as Hal Wilson

as Doctor Craig

as Jim "Socker" Conway

as Kenneth 'Ken' Stockton

as Gene Fillmore

as Chester Morris

as Paul Smith

as Eddie Lang

as Robert Mason

as Jimmy Donlin

as John Joseph Madden

as Johnnie Drew

as Steve Farrell

as Robert 'Bob' Sangster

as Pirate Captain (uncredited)

as Mitch Mitchell

as Jeff Crane

as Vic Toledo

as Eric Foster

as Dr. Morgan

as Jimmie 'Office Boy' Burnham

as Self (uncredited)

as Doyle

as Jerry Randolph

as Mike McGann

as Bud Williams

as Chris Martin

as Neil Broderick

as Robert Holden

as R. Burton "Danny" Jones

as James Pomeroy

as William 'Bill' / 'Willie' Legendre Jr.

as Jimmie Martin

as John 'Doc' Madison

as Lt. Roger Craig

as John Hawks

as Detective Anderson

as John Morgan

as Ted

as Sergeant Grischa

as Jerry Casey

as Nickey Solomon

as Don Warren

as Performer in $20 Bet Sketch and 'Bicycle Built for Two' Numbers

as Ray Malone

as Paul Palmer

as Chick Williams