as Charlie

as Thomas Wilson

as Ted Milner

as David Wilder

as Colonel William Kent

as Cadet Major Brian Moreland

as Thad Beaumont / George Stark

as Paul

as Paul Gebhard

as Crawford Haines

as Charlie Bragg

as Sidney Kroll

as Gary Fields

as Al Reilly

as Dr. Stanley Shephard

as Marshall Thompson

as Willie Conway

as Raymond Blossom

as Christopher Boyce

as Donnie 'Cake'

as Jimmy Lynch

as Ian

as Samuel Leibowitz

as David Norton

as Richard Ledge

as Professor Adams / Subject #30

as Mike Shea / Elmo Barnett

as Dimitri Sanin

as George McAlpine

as Conrad Jarrett

as Gabriel

as Matthew Kragen

as Frank McBride

as Peter Derns

as Lee Egan

as Tom

as Art

as Isaac Alder

as Daniel Isaacson

as Jack Meadows

as Frankie

as Donald Branch Booth

as Jim

as Richard Loving

as Self

as Aldrich Ames

as Martin Geldhart

as Larry Sullivan

as Jack

as voice

as Bruce Komiske

as Juggler at the Fair (uncredited)

as Dr. White

as Martin Ryan

as Self

as Sam Ellis / John Larkin

as Mr. Tibbel

as F. Scott Fitzgerald

as Cadet

as Jason Kramer

as Rod Smolla

as Conrad Jarrett / Ordinary People (archive footage)

as Dr. Brown

as Archie Goodwin

as Oswald Hinge

as Tom (Windows)

as Tommy Callahan

as Leo Steinem

as Bill the Breaker

as Paul Winters

as John Mullen

as Derek Clayton

as self

as Director

as Director