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 eps)
as Deacon
as Industrialist(3 eps)
as Harlan(2 eps)
as Jergens
as Nikita Khrushchev
as Meeker(1 ep)
as Josiah Widdicombe (Mormon patriarch)
as Frank Prendergast
as Bank Manager
as Marcus Halliday (uncredited)(1 ep)
as George Felton(1 ep)
as Paul Berryman(1 ep)
as Dragon
as Jack Pierson(1 ep)
as General
as Mr. Henry
as Carl Birrell(1 ep)
as Peter MacNamara(1 ep)
as Arnold MacIver(1 ep)
as Tyrone(1 ep)
as Mr. B(1 ep)
as Inspector
as Minister Pollard
as Charlie Robbins
as Johann Tetzel
as Lattimore
as Otto Nurder, a Capitalist
as Clerk(1 ep)
as Rev. Strack
as Rev. Silas Pendrake
as Professor T. Eliot Stokes
as Seth Blakely
as Doyle Weston(1 ep)
as Thomas Putnam
as Matthew Morgan/Ben Stokes/Dr. Timothy Stokes(988 eps)
as Hannibal Egloff(1 ep)
as Cortez(1 ep)
as Hedak
as Count Saknussem
as Mugridge
as Oscar Binding
as Connelly
as Turko(1 ep)
as Magini(1 ep)
as Prosser(1 ep)