Sean Astin

Bill

Julie Kavner

Trudy

Jennifer Coolidge

Janine

Nick Swardson

Bed, Bath & Beyond Guy

Adam Sandler

Michael Newman

Christopher Walken

Morty

Henry Winkler

Ted

Jonah Hill

Ben at 17 years old

Frank Coraci

Director

Barry Bernardi

Executive Producer

Rachel Dratch

Alice / Alan

Eiji Inoue

Watsuhita Executive

Katie Cassidy

Samantha at 27 years old

Cameron Monaghan

Kevin O'Doyle

David Hasselhoff

Ammer

Tim Herlihy

Executive Producer

Kate Beckinsale

Donna Newman

Lorraine Nicholson

Samantha at 14 years old

Joseph Castanon

Ben at 7 years old

Jake Hoffman

Ben at 22-30 years old

Tatum McCann

Samantha at 5 years old

Sophie Monk

Stacy

Michelle Lombardo

Linda

Jana Kramer

Julie

Sidney Ganis

Dr. Bergman

Michael Yama

Watsuhita Head Executive

Mio Takada

Watsuhita Executive

Mark O'Keefe

Writer

Steve Koren

Writer