Prof. Bradshaw

(voice)

Chairman Hopkins

Refinery Executive (uncredited)

Cmdr. William H. Buracker (uncredited)

Well-Wisher at Indy Victory (uncredited)

Walter Quillen

Governor's Advisor

Defense Secretary's Assistant (uncredited)

Police Lieutenant

Partner (uncredited)

Victor Delmar

Charlie Munro

Capt. Sid Walker

Husband - Circus Spectator

Larry Wade (uncredited)

Lt. Cassidy

Senator

The Fire Maker

Gary Droz

Cole Hotchkiss

The Detective

Gen. Van Buskirk

Fred Horner

Air Force General

Pierre M. Morley

District Attorney Martin Proctor

Judge

Dr. Bradshaw

Jess Carter

Mr. Ross

Bert Rawley

Inspector Henderson

Inspector Henderson

Inspector Henderson

Inspector Henderson

Inspector Henderson

Attorney Wilson

Conroy

Surgeon

Watson

Prof. Clifford Groves

Dr. William Wilson

Doctor (uncredited)

Prime Minister Treeg

Paul Jackson / Fake John Harper

Capt. Burke

Jimmy - Aragon's Manager

Dr. Werner, Police Psychiatrist

Maj. Nathan Stark

Clark Sommers

Ace Crandall

Cincotta

Barry Morgan

Dixon

Jack Lacey

Chief Agent Charles Stuart

Stanley Brown

John Avery

West Coast Chief Agent J.G. Goff

Jay Wingate

Insp. 'Murph' Murphy

Richard Marshall

Don Mason

Dr. Richard Field

Floyd Durant

Judge Leonidas K. Carter

T.W. "Tom" O'Connor

Ronald MacArden

Col. Earl 'Red' Blaik

Roy Chesley

James O'Neil

Mr. Gordon

Chief Tom Blake

Bill Tyler

Chet King

Brad Thomas

Dick Meadows

Bertram Fallon

Dr. David Cochran

Captain Morgan

Marshal Jim Blake

Dudley Beecham

Bob Tate

Busboy (uncredited)

Chaplain aka 'Padre'

Lester Knight

Bill Cardigan

MacMahon

Dan Costello

Jared Whitney

Steve Randall

U.S. Marshal Frankie Wilson

Ned Kincaid

Engineer (uncredited)

Howard Benson

Maj. James Parker