Reparto

• Adam Sandler
• Kate Beckinsale — Donna Newman
• Christopher Walken — Morty
• David Hasselhoff — Ammer
• Henry Winkler — Ted Newman
• Julie Kavner — Trudy Newman
• Nick Swardson — Bed, Bath & Beyond Guy
• Sean Astin — Bill
• Jenae Altschwager — Judy
• Joseph Castanon — Ben Newman at 7 years old
• Jonah Hill — Ben Newman at 17 years old
• Jake Hoffman — Ben Newman at 22-30 years old
• Tatum McCann — Samantha Newman at 5 years old
• Lorraine Nicholson — Samantha Newman at 14 years old
• Katie Cassidy — Samantha Newman at 27 years old
• Jennifer Coolidge — Janine
• Michelle Lombardo — Linda
• Carolyn Hennesy — Kathy O'Doyle
• Jana Kramer — Julie Newman
• Willy Goldstein — Lakeside Camp Boy
• Rob Schneider — Prince Habeeboo
• Billy Slaughter — Newman Employee
• Cameron Monaghan — Kevin O'Doyle
• Rachel Dratch — Alice / Alan
• Sophie Monk — Stacy
• James Earl Jones — Narrator Of Michael's Past
• Terry Crews — Singing Driver