Mike Epps Boog (Voice) Joel McHale Elliot (Voice) Jane Krakowski Giselle (Voice) Billy Connolly McSquizzy (voice) Crispin Glover Fifi (voice) Steve Schirripa Roberto (voice) Georgia Engel Bobbie (voice) Diedrich Bader Rufus (voice) Cody Cameron Mr. Weenie (voice) Fred Stoller Stanley (voice) Olivia Hack Charlene (voice) Danny Mann Serge (voice) Maddie Taylor Deni / Buddy / Ian (voice) Nika Futterman Rosie (voice) Michelle Murdocca Maria (voice) Jacquie Barnbrook Fifi's Owner (voice) Kevin Michael Richardson Additional Voices (voice) (uncredited) Maurice LaMarche Rico / Additional Voices (voice) (uncredited) Jeff Bennett Additional Voices (voice) (uncredited) John Hans Tester Additional Voices (voice) (uncredited) Walter Jones Additional Voices (Voice) (uncredited) Mike Epps Boog (Voice) Joel McHale Elliot (Voice) Jane Krakowski Giselle (Voice) Billy Connolly McSquizzy (voice) Crispin Glover Fifi (voice) Steve Schirripa Roberto (voice) Georgia Engel Bobbie (voice) Diedrich Bader Rufus (voice) Cody Cameron Mr. Weenie (voice) Fred Stoller Stanley (voice) Olivia Hack Charlene (voice) Danny Mann Serge (voice) Maddie Taylor Deni / Buddy / Ian (voice) Nika Futterman Rosie (voice) Michelle Murdocca Maria (voice) Jacquie Barnbrook Fifi's Owner (voice) Kevin Michael Richardson Additional Voices (voice) (uncredited) Maurice LaMarche Rico / Additional Voices (voice) (uncredited) Jeff Bennett Additional Voices (voice) (uncredited) John Hans Tester Additional Voices (voice) (uncredited) Walter Jones Additional Voices (Voice) (uncredited)