A lab accident gives a beagle named Shoeshine some serious superpowers -- a secret that the dog eventually shares with the young boy who becomes his owner and friend.
Jason Lee
as Shoeshine / Underdog (voice)
Jim Belushi
as Dan Unger
Patrick Warburton
as Cad
John Slattery
as Mayor
Peter Dinklage
as Dr. Simon Barsinister
Brad Garrett
as Riff Raff (voice)
Taylor Momsen
as Molly
Amy Adams
as Polly Purebred (voice)
Alex Neuberger
as Jack Unger
Larry Vigus
as Security Guard
Bates Wilder
as Cop
Frank Ridley
as Police Sergeant
