Underdog [Russian]

Peter Dinklage

Dr. Simon Barsinister

Jason Lee

Underdog

Amy Adams

Polly

Jim Belushi

Dan Unger

Patrick Warburton

Cad

Alex Neuberger

Jack

Taylor Momsen

Molly

John Slattery

Mayor

Brad Garrett

Riff Raff

Samantha Bee

Principal

Timothy Crowe

Police Chief

Larry Vigus

Security Guard

Mario Mariani

Police Officer

Bates Wilder

Cop

Alexander 'Alex' Garde

Small Boy

Christopher Francis Byrnes

Mailman

Joe Siriani

News Stand Guy

Sujoy De

Office Worker #1