Dave Seville

Jason Lee

Dave

Antti Jaakola

Ian

David Cross

Gail

Jane Lynch

Ian

Petri Hanttu

Claire

Cameron Richardson

Claire

Sara Welling

Alvin (voice)

Justin Long

Gail

Ella Pyhältö

Simon (voice)

Matthew Gray Gubler

Alvin

Jon-Jon Geitel

Theodore (voice)

Jesse McCartney

Simo

Petrus Kähkönen

Female Intern #1

Allison Karman

Tero

Samuel Harjanne

Amy

Veronica Alicino

Female Intern #2

Tiara Parker

Voice

Antti LJ Pääkkönen

Ted

Kevin Symons

Voice

Aku Laitinen

Vet

Adriane Lenox

Mother in Store

Beth Riesgraf

Greg Siebel

Female Intern #3

Kira Verrastro

Engineer

Don Tiffany

Eisaku Imura

Director

Lorne Green

Alvin Sevile

Olaf Reichmann

Theodore Sevile

Rainer Fritzsche

Barry

Frank Maharajh

Security Guard

Jayden Lund

Dancer (as Alexis A. Boyd)

Alexis Boyd

Dancer (as Kyndra 'Binkie' Reevey)

Kyndra Reevey

Concert Guest 'Cowboy'

Jay Bird

Oliver Muirhead*

Poolside Girl

Natalie Cohen

Boy at the Grocery Store

Kevin Fung

Press Coordinator

Erin Chambers

Dancer

Kevin Fisher

Herself

Jillian Barberie

Spanish Doll (voice)

Axel Alba

Ian

David A. Cross

Photographer

Greg 'G-Spot' Siebel

Butler

Oliver Muirhead

Choreographer

Rosero McCoy

Dancer

Criscilla Anderson

DJ

Chris Classic

French Doll (voice)

Adam Riancho

Dancer

Tucker Barkley

Dancer

Celestina

Dancer

Laura Edwards

Emmanuel Garijo

Mathias Kozlowski

Dancer

Celestina Aladekoba

Alexis Tomassian

Espen Sandvik

Dancer

Christopher Scott

Erik Skøld

Dancer

Miss Prissy

Stig Henrik Hoff

Dancer

Bryan Gaw

Dancer

Michelle Maniscalco

Ingrid Bolsø Berdal

Dancer

Nick Drago

Christian Skolmen

Dancer

Melanie Lewis

Director

Tim Hill