Robert Vaughn

as Tate Speer

as Lee

as Ross Webster

as Spearman / Hebrew at Golden Calf (uncredited)

as James Sheffield

as Walter Chalmers

as General Hunt Stockwell

as Senator Parker

as Hayden Danziger

as Carl Anderton

as Baxter Cain

as Dr. Stewart Rizor

as Gen. Woodbridge

as Luke Martin

as Gideon Armstrong

as Senator Dougherty

as Proteus IV (voice) (uncredited)

as Art

as Gelt

as Miguel Roverto

as Charles Paris

as Maj. Paul Krueger

as Lawson

as Albert Stroller

as Ed Ryland

as Dick Lecter

as Sebastian Rolande

as Charlie Argos

as Alexander Drake

as Oberst Gavron

as Kid

as Self

as Jim Darling

as Curtis Moorehead

as David Blackman

as Colonel Masters

as Mr. White (voice)

as Gordon Cain

as Paul Getty II

as Napoleon Solo

as Senator Barkley

as Napoleon Solo (uncredited)

as Vince Deal

as Self

as Rykker

as Chester A. 'Chet' Gwynn

as Edward Bolt

as Dan Willard

as Dr. Fred Brown

as Silver Haired Man

as Wolfgang Manteuffel

as Servilius Casca

as Col. Donald Rogers

as Jerome Huxley

as Morgan Wendell

as Self

as Antonio, Photographer

as Simon Clain

as Dr. Christopher Hamilton

as Andrew Simms

as Lord Byron Orlock

as Roy Pelham

as The Symbol Maker's Teenage Son

as Senator Reynolds

as Douglas Milinder

as Assassin

as Prof. Allan Duncan

as Dr. Duncan

as Dr. Gary Julian

as Dr. Neal

as Self - Guest

as Self - Guest

as Napoleon Solo

as Self - Nominee / Accepting Award for Best TV Show

as Dr. Bergen

as Dr. Frank Cordell

as Self (archive footage)

as Napoleon Solo

as Ron Fairfax

as Victor Virtue

as Jacob

as Judge Oren Travis

as Napoleon Solo

as Napoleon Solo

as Napoleon Solo

as Napoleon Solo

as Napoleon Solo

as Eddie 'The Kid' Campbell

as Glen Manning

as Stanley Auerbach

as Napoleon Solo

as Napoleon Solo

as Jerry Hunter

as Walter Denkins

as Billy Brigode

as Harry Rule

as Jim Melford

as Wedgewood

as Self

as Self

as Ray Whiteley

as Self

as The Devil

as Bill Fenner

as Ray Melton

as Asa Bannister

as Self

as Johnny Adler

as Napoleon Solo

as Robert Vaughn

as Buddy Root

as Colonel Schneider

as Harrison Crawford III

as Stuart Chase

as Prof. Michaels

as Adam Spring

as Senator Zachary Powell

as Eduard Delacorte

as Bob Ford

as Chief MacIntyre

as Dr. Emil Kovač

as Jay Corelli

as Tulley Sr.

as Self / Ross Webster (uncredited)

as Napoleon Solo

as Braddock

as Hud

as Commissioner Peter Kinghorn

as American Bob

as Sam Merrick

as Neilson

as Adolf Hitler

as Max Owens

as A. Dunster Lowell

as Lt. Dave Hutchins

as Mitch

as Don Bigelow

as Nick

as Sheriff John Whaley

as Roger Mowbray

as Beaumont Butler Buell

as Mr. X

as Dennis Forbes

as Klaus Everard

as Tony

as Self

as Perry Holcomb

as Archibald Parker

as Sordo

as Buddy Baldwyn

as Pres. Woodrow Wilson

as Dave Fairmont

as Captain Powell

as Self

as Girard

as Franklin Delano Roosevelt

as Edward Fuller

as Phillip Colerane

as Joseph Jameson 'Jay' Powers

as Captain Ray Rambridge

as Dr. Guy Collins

as Frank Flaherty

as Charles Desmond

as William Shane

as Self

as Soldier

as Richard Whitney

as Oliver Coles

as Bob

as Vince Baxter

as Franklin Delano Roosevelt

as Agent Silvestri

as Mark Case

as Uncle Andre

as Wes Grayson

as Harlan Adams

as Theodore Roosevelt

as Shelly Poe

as John Bradford

as Self

as Lace

as Michael Jacoby

as Self (archive footage)

as Carmine

as Judge Mancini

as Dr. Arno Franken

as Frederick Walker

as Self

as Gala Host

as Harry

as Field Marshal Milch

as Dr. Gadsden Braden

as Mr. D

as Sen. Gerald Stratton

as Mr. Morris

as Chief Hannigan

as Seth McLean

as Iris (voice)

as Darius

as Self

as Narrator