Cesar Millan (35)

Himself

Michael B. Seligman

Self - Owner of Slick

Robert B. Weide (45)

Self - Owner of Jake

Chantel Valdivieso

Self - Owner of King

Sharon Noble

Self - Owner of Julius

Jacklyn Zeman (51)

Self - Owner of Goldie

Scott Lincoln

Self - Owner of Jonbee

Denise Richards (33)

Self - Owner of Lucy, Hank, & Betty

Jeanie Buss (42)

Self - Owner of Princess / L.A. Lakers Owner

Phil Jackson (58)

Self - Jeanie's Boyfriend / L.A. Lakers Coach

Clint Rowe

Self - Animal Stars Trainer

John Grogan (47)

Self - Owner of Gracie

Downtown Julie Brown (41)

Self - Owner of Candy

Michael Damian (42)

Self - Owner of Bella & Fofo

Janeen Damian (43)

Self - Owner of Bella & Fofo

Daisy Fuentes (37)

Self / Self - Owner of Alfie

Virginia Madsen (43)

Self - Owner of Spike / Self

Mike White (34)

Self - Owner of Tootsie & Ginger / Writer & Director of "Year of the Dog"

Molly Shannon (39)

Peggy in "Year of the Dog" (archive footage)

Patti LaBelle (60)

Self / Self - Owner of Nasir

Jennifer Lee Pryor

Self - Owner of Indigo & Pryor's Planet Dog Rescue

Eden Espinosa (26)

Self - Owner of Owen

Jada Pinkett Smith (32)

Self / Self - Owner of Rocco

Pete Wentz (25)

Self - Owner of Hemingway

Ed McMahon (81)

Self / Self - Owner of Gus

Ashlee Simpson (19)

Self - Owner of Hemingway

Kathy Griffin (43)

Self - Owner of Chance & Pom Pom / Self

Todd Henderson

Self - Adopted Curly

Vincent Van Patten (46)

Self - Owner of Charlotte

Eileen Davidson (45)

Self - Owner of Charlotte