Dean Stockwell

Judd Steiner

Bradford Dillman

Arthur A. Straus

Orson Welles

Jonathan Wilk

E.G. Marshall

District Attorney Harold Horn

Diane Varsi

Ruth Evans

Martin Milner

Sid Brooks

Richard Anderson

Max Steiner

Robert F. Simon

Police Lt. Johnson

Robert Burton

Charles Straus

Wilton Graff

Mr. Steiner

Louise Lorimer

Mrs. Straus aka 'Mumsy'

Gavin MacLeod

Padua - Horn's Assistant

Edward Binns

Tom Daly

Colin Kenny

Courtroom Spectator (uncredited)

Raoul Freeman

Courtroom Spectator (uncredited)

Herschel Graham

Courtroom Spectator (uncredited)