Andy Samberg
Todd Peterson
Leighton Meester
Jamie Martin
Susan Sarandon
Mary McGarricle (Present Day)
Ana Gasteyer
Mrs. Ravensdale
Peggy Stewart
Grandma Delores
Dan Patrick
Randall Morgan
Julia Lea Wolov
Bridesmaid
Rebecca Marshall
Bridesmaid
Erin Andrews
Randall Morgan's Receptionist
Sam Kaufman
School Buddy #1
Danny Mendelson
School Buddy #2
Rao Rampilla
Convenience Store Owner
Chris Titone
Hotel Desk Clerk #1
J.D. Donaruma
Hotel Desk Clerk #2
Alan Thicke
TV Version Donny's Dad
Ian Ziering
TV Version Donny
Sadie Sandler
Lemonade Stand Kid
Sunny Sandler
Lemonade Stand Kid
Abdoulaye NGom
Father Shakalu
Dennis Dugan
School Janitor
Jason Venezia
Naked Guy in Car
Kristen Valinch
Naked Lady in Car
Sheriden Thomas
Female Gym Teacher
Claude Tondreau
Class President Candidate
Michael J. Cammilleri
Jazz Trio at Party
Scott T. Beardsley
Jazz Trio at Party
Christian E. Boeger
Jazz Trio at Party
Robert Harvey
Cocktail Party Guest
Paul Pabst
Producer Tom Kleinschmidt
Todd J. Fritz
Joey the Cameraman
Patrick S. O'Connor
Cameraman Charles Hornbeam Jr.
Andrew J. Perloff
Lou 'Boom Mic' Giamonna
Rich Eisen
Marathon Race Announcer
Darra Boyd
Wedding Guest (uncredited)
John Franchi
Drive-In Movie Goer (uncredited)
Colleen Kelly
Spa Manicurist (uncredited)
