Peter Gibbons
Ron
Rob
Allen Ginsberg
Marty Bowen
Gomez
Percy Anderson
Johnny
Bob Kaplan
Derek
Donnie Anderson
Dr. Richard Clayton
Patrick
Will Broderick
Sheldon Buckle
Rick (segment "The Honeymoon") / RV Driver (segment "The Campfire")
Caldwell
Future JR Maguire (voice only)
Uncle Charlie
Franklin Crudstaff
Marty Sachs
James
Paul
Chad
Dr. Bannister
Adrian
Dr. Liberman
Rance McCoy
Roger Perron
Chris
Charles
James Hosty
Self - 'Henry Allen'
Captain Wonder
Self
Trent
Richard
Larry Sokolov
Narrator
Bob
Edwin
Fred
Ben
Elvis Presley
David Lipsky's Editor
Ethan
Rudolf
Oliver Sullivan
Medic (uncredited)
Mark Wallace
Ron Livingston
Eric Gatley (uncredited)
Bobby Lawrence
Drew Moreau
Tyler Bellows
Mr. Bricker
Francois
Kyle Walker
Flag Pin
Henry Wright
Pete
Clerk (voice)
Soldier
Henry Allen
Jim Lamson
Matt Flannery
Bob Memari (voice)
Himself
Keith
Lewis Nixon
Self - Guest
Curt
Mitch
Blake
Mac Kamen (voice)
John Carver
Dr. Sebastian Charles
A.D.A. Alan Lowe
Sam Loudermilk
Sydney Stein
Jon Dixon
Peter Waxman (voice)
David Anderson
Howard Foncy
Alex Myers
Jack Berger
Roy Phillips