Cast and Crew of Underdog

Underdog

← Cast of Underdog

Secondary Cast of Underdog

John Slattery as Mayor

John Slattery

Mayor
Peter Dinklage as Dr. Simon Barsinister

Peter Dinklage

Dr. Simon Barsinister
Brad Garrett as Riff Raff (voice)

Brad Garrett

Riff Raff (voice)
Taylor Momsen as Molly

Taylor Momsen

Molly
Amy Adams as Polly Purebred (voice)

Amy Adams

Polly Purebred (voice)
Alex Neuberger as Jack Unger

Alex Neuberger

Jack Unger
Larry Vigus as Security Guard

Larry Vigus

Security Guard
Bates Wilder as Cop

Bates Wilder

Cop
Frank Ridley as Police Sergeant

Frank Ridley

Police Sergeant
Diana Shneider as Police Secretary

Diana Shneider

Police Secretary
Samantha Bee as Principal

Samantha Bee

Principal
John Franchi as Observer

John Franchi

Observer
Ezra Buzzington as Referee

Ezra Buzzington

Referee
Jay Leno as Jay Leno

Jay Leno

Jay Leno
Susie Castillo as Diana Flores

Susie Castillo

Diana Flores
Phil Morris as Supershep 1 (voice)

Phil Morris

Supershep 1 (voice)
Michael Massee as Supershep 2 (voice)

Michael Massee

Supershep 2 (voice)
Cam Clarke as Little Brown Dog / Supershep 3 (voice)

Cam Clarke

Little Brown Dog / Supershep 3 (voice)
John DiMaggio as Bulldog / Supershep 4 (voice)

John DiMaggio

Bulldog / Supershep 4 (voice)
Danny Mastrogiorgio as Crazy Dog (voice)

Danny Mastrogiorgio

Crazy Dog (voice)
Jess Harnell as Astronaut (voice)

Jess Harnell

Astronaut (voice)
Susan Garfield as Office Worker

Susan Garfield

Office Worker

Alexander 'Alex' Garde

Small Boy

Timothy Crowe

Police Chief