Alec Baldwin

Theodore Templeton (voice)

(Acting)

James Marsden

Tim Templeton (voice)

(Acting)

Amy Sedaris

Tina Templeton (voice)

(Acting)

Jeff Goldblum

Dr. Armstrong (voice)

(Acting)

Eva Longoria

Carol Templeton (voice)

(Acting)

Lisa Kudrow

Janice Templeton (voice)

(Acting)

Jimmy Kimmel

Ted Templeton (voice)

(Acting)

Ariana Greenblatt

Tabitha Templeton (voice)

(Acting)

James McGrath

Wizzie (voice)

(Acting)

Raphael Alejandro

Nathan (voice)

(Acting)

Serenity Reign Brown

Meghan (voice)

(Acting)

David Soren

Jimbo (voice)

(Acting)

Molly K. Gray

Creepy Girl (voice)

(Acting)

Ashlyn Lundahl

'No' Girl (voice)

(Acting)

Tom McGrath

Dr. Tiffany Hamilton (voice)

(Acting)

Reyn Doi

Box Kid (voice)

(Acting)

Walt Dohrn

Baby Bouncer (voice)

(Acting)

April Lawrence

Acorn Center Computer (voice)

(Acting)

Miles Bakshi

Young Tim Voice-Over (voice)

(Acting)

Marjorie Cohn

Pageant Mom 2 (voice) (as Margie Cohn)

(Production)

Nicholas Gist

Les triplés (voice)

(Acting)

Collin Erker

Enfant temps mort (voice)

(Acting)

Kristin Lowe

Maman spectacle 1 (voice)

(Acting)

Margie Cohn

Maman spectacle 2

(Acting)

Connor Albrecht

Dreidel Kid (voice)

(Acting)