Wayne Gale
Tony Stark
Paulie Hackley
Bill Bush
Sherlock Holmes
Alex Finch
Tony Stark (uncredited)
Dr. Kozak
Joe Wershba
James Barris
Paul Avery
Telephone Jack
Charles Spencer Chaplin
Terry Crabtree
Harry Lockhart
Dan Dark
Leo Wiggins
Pete Graham
Jerry Renfro
Kirk Lazarus
Earl Rivers
John Royce
Ian
Roger Baron
Billy Covington
Dito
Tony Stark / Iron Man
Nathan Gardner
Thomas Reilly
Franz Mazur
David Seton Barnes
Peter Wright / Damon Bradley
Tommy Larson
Charlie
Boy on Soccer Team (uncredited)
Clyde Pell
Nick Penrose
Julian
Jimmy Parker
Robert Merivel
John 'Scottie' Ferguson
Vivian Thompson
Peter Highman
(voice)
Derek
Terry Donager
Jack Jericho
Steve Lopez
Ralph Carr
Lionel Sweeney
Rob (segment "Auto Motives")
Steven Schwimmer
Reed Richmond
Lee
Tony Stark (archive footage)
Bobby
Himself
Self - Lewis Strauss
Narrator
Self
Hank Palmer
Jerry
Traveller
Mr. Willowby
Marvin
Jim Scott
Self / Tony Stark / Iron Man
Hans
Stewart
Executive Producer
Punk Party Crasher (uncredited)
Robert Downey Jr.
Lewis Strauss
Self - Tony Stark / Iron Man
Boy in Covered Wagon (uncredited)
Narrator (voice)
Self - Presenter
Blake
Self (archive footage) (uncredited)
Sid Shattuck (uncredited)
Puppy
Victor von Doom / Doctor Doom
Animal Therapist
Dr. John Dolittle
Albert Einstein
Mexican Stranger
Self (archive footage)
Self / Barris
Wolf Dangler
Eddie
Tony Stark / Iron Man (archive footge)
Doctor Doom
Self - Interviewee
Patrick Pewterschmidt (voice)
Larry Paul
Tony Stark / Iron Man (archive footage)
Self - Guest
Claude / Professor Hammer / Ned Godwin / Niko Damianos / Priest
Self - Host
Self - Various Characters
Tony Stark / Iron Man (archive footage) (uncredited)
Bruno Mussolini
Iron Man / Tony Stark