Gary Merrill

as Self - (archive footage)

as Capt. Hull

as Willie Brogan

as Dr. Thomas Madsen

as Street Man

as Self - Narrator (voice)

as Pap

as Gordon Craig

as Adm. Thomas E. Moorer

as Dan Hoyle

as Walter Dietrich

as Dr. Leonard Gillespie

as Orlando 'Cord' Corday

as Inspector Otis

as George Dennison

as Mark Corlane

as Squint Calloway

as Sam Burton

as Douglas McCann

as General Philip Sheridan

as Marshal Duncan

as Senator Leroy Clark

as Dr. LaSatier

as Narrator (voice)

as Dub Stokes

as Dr. August 'Gus' Boren

as Raymond Garth

as Narrator

as Mark Jordan

as Dr. James Hamilton / Major Roger Brothers

as Max Wilson

as Capt. August

as John Pemberton

as Harry Jarvis

as Gideon Spilitt

as Karl Lippert

as James Dougherty

as Pa Demara

as The Poet

as Narrator

as Major Colton

as Joseph Paradine

as Captain Steve Williams

as Doyle Magee

as Dick Bowen

as Walter Hubbard

as Col. Boyd Nelson

as Noah Rawlins

as Luke Cannon

as Bob Scoffield

as Jack Blain

as David Trask

as Sgt. Rockwell

as Ted Franklin

as Carl Adams

as Joseph Pond

as Cash Bentley

as John Danforth

as Brock Marsh (alias Zachary Paige)

as Police Lt. Lawrence Mathews

as Bill Masters

as Fred Sargent

as McMasters

as John Dwight

as Richard Morton

as Dr. Seth Pawling

as David Trask

as Col. Devlin

as George Bates

as John Beasley / Nash

as Narrator (voice) (uncredited)

as Lt. Cmdr. Pete Vincent

as Bill Sampson

as Tommy Scalise

as Dr. Peter Roberts

as Felice Benuzzi

as Colonel Keith Davenport

as Cmdr E.T. Kramer

as Paul Gormay

as Narrator

as Self

as Captain McIntyre

as Backstage MP on Right (uncredited)

as Narrator