Thayer David

as Self (archive footage)

as Ben Stokes (archive footage)

as Professor Stokes (archive footage)

as Nero Wolfe

as Edward Byron

as Hauser

as Floyd Odlum

as Floyd Odlum (2 episodes)

as Deacon

as Industrialist (3 episodes)

as Harlan (2 episodes)

as George 'Miles' Jergens

as Nikita Khrushchev

as Meeker (1 episode)

as Josiah Widdicombe (Mormon patriarch)

as Frank Prendergast

as Bank Manager

as Marcus Halliday (uncredited) (1 episode)

as George Felton (1 episode)

as Paul Berryman (1 episode)

as Dragon

as Jack Pierson (1 episode)

as General

as Mr. Henry