The Shaggy Dog

Tim Allen

Dave Douglas

Kristin Davis

Rebecca Douglas

Zena Grey

Carly Douglas

Spencer Breslin

Josh Douglas

Danny Glover

Ken Hollister

Robert Downey Jr.

Dr. Kozak

Joshua Leonard

Justin Forrester

Shawn Pyfrom

Trey

Bess Wohl

Dr. Gwen Lichtman

Jarrad Paul

Larry

Annabelle Gurwitch

Justin Forrester's Attorney

Jane Curtin

Judge Claire Whittaker

Philip Baker Hall

Lance Strictland

Joel David Moore

Pound Employee

Jeanette Brox

Janey

Kevin Cooney

Doctor