Karen Halligan
Herself - Chief Veterinarian
Joey Villani
Himself - Dog Grooming Expert
Cherise Clement
Herself - Resident, Small Animal Studies
Tyson Kilmer
Himself - Dog Trainer
Andrea Arden
Herself - Dog Trainer
Nicholas Dodman
Himself - Veterinary Behavioralist
Kevin Draine
Himself - Narrator
Zak George
Himself - Dog Trainer
