Joel McHale

Character: Elliot (Voice)

Mike Epps

Character: Boog (Voice)

Cody Cameron

Character: Mr. Weenie (voice)

Georgia Engel

Character: Bobbie (voice)

Jane Krakowski

Character: Giselle (Voice)

Billy Connolly

Character: McSquizzy (voice)

Crispin Glover

Character: Fifi (voice)

Maddie Taylor

Character: Deni / Buddy / Ian / Additional Voices (voice)

Steve Schirripa

Character: Roberto (voice)

Fred Stoller

Character: Stanley (voice)

Sean Mullen

Character: Roger (voice)

Diedrich Bader

Character: Rufus (voice)

Olivia Hack

Character: Charlene (voice)

Danny Mann

Character: Serge (voice)

Nika Futterman

Character: Rosie (voice)

Michelle Murdocca

Character: Maria (voice)

Jacquie Barnbrook

Character: Fifi's Owner (voice)

Kevin Michael Richardson

Character: Additional Voices (voice)

Maurice LaMarche

Character: Additional Voices (voice) (uncredited)

Jeff Bennett

Character: Additional Voices (voice)

John Hans Tester

Character: Additional Voices (voice)

Walter Jones

Character: Additional Voices (Voice)

Scott Menville

Character: Additional Voices (voice)

Doc Shaw

Character: Additional Voices (voice)