Wheeler Oakman

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Durkin

Lieutenant Patten

Prof. Hobart Zorn

Alex Ballard

Lord Markham (uncredited)

Bourbon Drinker on Train

Joe Heller / Lew Heller (uncredited)

Detective

Captain Amos Karnes

Jim Murray (archive footage)

Oliver

Freighter Mate [Chs. 7-8]

Tony

Brady

Henchman Ace Barko

Tony

Fight Announcer

"Trigger" Stratton

Army Officer

Fred Burns

Gregory Stone

Kimble

Argo

Jim Dawson

Manny

Lt. Patten

Carson

Benson

John Ritter

Manning

Tarnak

Blackie Miller

Weaver

Wallace

Tarnak

Karlotti

Jim Murray

Stevens, gang chemist

Brophy

Walton

Durkin

Bob Arnold

Ace Morgan

Kincaid

'Lucky' Wilder

Lieut. Douglas Thompson

Jim Thorne

Lord Argo

Duke Foster

Gangster at Lodge Wanting to Quit (uncredited)

Panther Fielding

Doane

Duval

(Unknown)

Hardy

Henry DeLong

Cmdr. Lawson

Wheeler

Julie's Kidnapper (uncredited)

Murdock

'Smiley' Mason

Kirby

Toledo Eddie Marchetti

Kirby

Henry Jethrow

Tracy

A.R. McCrae

Joe

Sheriff Clem Norton

Ed Wilder

George

Spike Maguire

Poe Powers

Gill Brown, the Horse Owner

Abbott

Sam

Shanghai Morgan

Utah Becker

Judson Ward

Hatch Engall

Bob Russell

Jim Fremont

Roger Bradley

Holt Norbo - Bank Cashier

Philip Wells

Nick Grindell

Spike

Pete Stenner

Joe

Major Jenkins

Laughing Maxey

'Poker' Wilson

Willard

Moreland

(Unknown)

Michael Rush

Ramsey Kane

Steve

(uncredited)

'Lucky'Jim Seymour

Mile-Away-Harry

John Bland

Nicholay

Manager

Porter

Anton Lebau

Willie Durant aka Robert Wallace

Tom Bennett

First Mate (uncredited)

Lawrence Mayfield (uncredited)

Repen

Wyman

Dr. Gordon White

'Dandy Jim' Doyle

The captain

Eddie 'Mile-Away' Skeeter Carlson

George Gambler

Luther Spence

Hawk Miller

Van

Mike Corney

John Evans

Kerrigan

Jack Raymond

Director

Slippy McGee

Clint Mowbray

Grant Garrison

Winnie

Delmar Spavinaw

Scruff Mackenzie

'Dapper Bill' Ballard

Dr. Jack Martin - the Man in the Case

Kurt Walters

(uncredited)

Capt. Carlisle Pemberton

Willy St. John

Burr Gordon

Stephen Hartley

Peter Burke

Bobby Ralston

Paul Armitage

Bertram Van Twiller

Dick Randall

Herbert Thornhill

Pierre

Basil Demarest

Rowdy Townsman (uncredited)

Jo Sprague

George P.A. Jones

Wynne Garlan

The Revenue Officer

The Bronco Kid, alias of Drury

Shotgun Jones

Billy McVeigh

Jan, the Trapper

Weary

Etienne Cloquet

Willie Clark

Billy Silver

Weary

Ned Halton

Chief Swift Wing

Harold - John Sharon's Wayward Son

Real Montgomery Irving

Dreamer

Concho