as Lead steward

as Jim Thorne

as Editor Keenan

as Stephen Martin

as Dr. Wilmot Allen

as Tom Palmer

as Agent Brown

as Cpl. Bob Fitzgerald

as Phineas T. Flagg

as Bob Jones

as Jim Adams

as Allen Spencer

as Allen Carver

as David Rogers

as Hugh Kildair / Gilbert Kildair

as Actor (uncredited)

as Howard Murray

as Captain Breen

as Prentice Tiller

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

as (uncredited)

as John Graham

as Ship's Officer (uncredited)

as Leading man

as John Harper

as Roger 'Angel' Carroll

as Peter Milnor

as G-Man

as Bigelow

as McBride

as Gas Works Policeman

as Borman

as [scenes deleted]

as Carter Snowden

as Mr. Richards

as First Warden

as Mr. Remington

as First Officer

as Roger Strong

as John Hampton, Indian Agent

as Frank Billings

as Clay Conning

as Peter Van Horne

as Dick Frothingham

as Mr. Bright

as Mr. Andrews

as Donald Wales

as Angry Businessman

as Bowman

as Reporter at Wade's Lab

as Blair Thompson

as General Terry

as Laundry Owner

as Man at New York Airport

as Capt. Hank MacFarland

as Miller

as Rufus Asher

as Bob Randall

as Arthur Carleton

as Tom Wilson

as Capt. Lathrop

as William Stevens

as John Marsh

as Major Taylor

as Dalton Stull

as Captain

as Stan - Star Advertising Manager (uncredited)

as Charles Roberts (uncredited)

as Jim Davis

as George Fowler

as Ludlow

as Tim Regan

as Matt Peasley

as Mark Kenyon

as Caldwell

as Chas. Higgins

as Blake

as Captain Sneed

as Marshal Bill Graves

as Chuck Lightfoot

as Jerry Connell (uncredited)

as Police Lt. Cosgrove

as Dyer, Factory Gate Guard (uncredited)

as The Virginian

as Hotel Manager (uncredited)

as Judson Forrest

as Flight Dispatcher

as Elmer Ross

as Spencer, Trader

as Ward

as Territorial Commissioner

as Sheriff Hackett

as Banker Carruthers

as George "Mack" McColl

as Clarence Brooks

as (uncredited)

as Horace Gray

as Harry Brent

as Capt. Holding [Ch. 1]

as Duncan Van Norman

as David Graham

as White Man

as Police Lt. Jim Brady

as David Kent

as David Lacy

as Philip Marvin

as Billy Laidlaw

as 1st Detective

as 'Chick'

as Real G-Man

as Marvin Spencer

as Police Surgeon

as Eddie

as Billy Ravensworth

as Phillip Smith

as Preston Winfield

as Joe Blondin / Pierrot

as Wallace Foster

as Steele Valiant

as Milt Mulford Jr

as Alan Randolph

as John Warren

as Dr. Harmon

as Jim Bradley

as Colin Arnold

as Varsity Football Coach

as Ross Cavanagh

as Danny O'Rourke

as Department of Commerce Inspector

as FBI Chief Colton

as Jim

as Craig Spaulding

as Douglas Seward

as Bill / Jack Mason

as Frank Harris

as Mr. John Trumbell - Juror #3

as Detective Dunlap

as Robert Belmar

as Cutler

as John Doe Smith

as Fingerprint Division Lieutenant (uncredited)

as John Rand

as Sergeant Lee

as Smooth Adair

as Sammy Klein

as Himself

as Bob

as Eddie Mohr

as Jedson

as Bill Billings

as Stephen Winthrop

as Barry Weston

as Brian Kent