Guest Stars Douglas O'Keeffe as Patrick Nash Garry Chalk as Captain Jim Archer Co Starring Fulvio Cecere as Detective Gene Taylor Johnny Messner as Detective Michael Foster Kevin Durand as Trevor Whedon / Gregory Creal Frank Welker voices Animal Vocals Ona Grauer as Alice Clayton Ty Olsson as Animal Control Officer Eric Breker as Doctor Dee Jay Jackson as Krispy Kreme Cop #1 Mike Mitchell as Lab Technician Alex Bruhanski as Krispy Kreme Cop #2 Andrew Jackson as Jonathan Clayton Dan Zukovic as Maitre'D Mark Gibson as Mercenary Christopher R. Sumpton as Homeless Man Marcus Moldowan as Homeless Boy Gina Doty as Homeless Woman Merrick Roberts as Young Tarzan Launey Walter as Lopez