Judd Steiner

Dean Stockwell

Jonathan Wilk

Orson Welles

Ruth Evans

Diane Varsi

Arthur A. Straus

Bradford Dillman

District Attorney Harold Horn

E.G. Marshall

Sid Brooks

Martin Milner

Max Steiner

Richard Anderson

Police Lt. Johnson

Robert Simon

Charles Straus

Robert Burton

Tom Daly

Edward Binns

Mr. Steiner

Wilton Graff

Mrs. Straus aka 'Mumsy'

Louise Lorimer

Padua - Horn's Assistant

Gavin MacLeod

Benson

Terry Becker

Courtroom Spectator (uncredited)

Colin Kenny

Courtroom Spectator (uncredited)

Raoul Freeman

Edgar Llewellyn

Russ Bender

Emma

Gerry Lock

Courtroom Spectator (uncredited)

Herschel Graham

Detective

Harry Carter

Detective

Simon Scott

Judge

Voltaire Perkins

Medical Examiner

Jack Lomas

Albert, Steiner's Chauffeur

Peter Brocco

Globe Newspaper Editor

Alan Carney

Jonas Kessler

Wendell Holmes

Juror

Kenner G. Kemp

Mike's Girlfriend

Ina Balin

Frank Conroy

Waiter

Henry Kulky

Doctor

Dayton Lummis