Joel McHale

Elliot (Voice)

Mike Epps

Boog (Voice)

Cody Cameron

Mr. Weenie (voice)

Georgia Engel

Bobbie (voice)

Jane Krakowski

Giselle (Voice)

Billy Connolly

McSquizzy (voice)

Crispin Glover

Fifi (voice)

Maddie Taylor

Deni / Buddy / Ian / Additional Voices (voice)

Jon Favreau

Reilly (uncredited)

Steve Schirripa

Roberto (voice)

Fred Stoller

Stanley (voice)

Sean Mullen

Roger (voice)

Diedrich Bader

Rufus (voice)

Olivia Hack

Charlene (voice)

Danny Mann

Serge (voice)

Nika Futterman

Rosie (voice)

Michelle Murdocca

Maria (voice)

Jacquie Barnbrook

Fifi's Owner (voice)

Kevin Michael Richardson

Additional Voices (voice)

Maurice LaMarche

Additional Voices (voice) (uncredited)

Jeff Bennett

Additional Voices (voice)

John Hans Tester

Additional Voices (voice)

Walter Jones

Additional Voices (Voice)

Scott Menville

Additional Voices (voice)

Doc Shaw

Additional Voices (voice)