Underdog

Underdog Cast

69 cast members · 20 with popularity data

Full Cast

Sorted by Buzz Score · May 29, 2026

Polly Purebred (voice)

Dr. Simon Barsinister

Patrick Warburton

Riff Raff (voice)

Shoeshine / Underdog (voice)

Bulldog / Supershep 4 (voice)

Supershep 1 (voice)

#11,165 overall

Astronaut (voice)

#11,858 overall

Supershep 2 (voice)

#12,210 overall

Little Brown Dog / Supershep 3 (voice)

#13,820 overall

#17,441 overall

#40,774 overall

Ezra Buzzington

#43,878 overall

#48,692 overall

Police Sergeant

#53,710 overall

Danny Mastrogiorgio

Crazy Dog (voice)

#64,837 overall

Alexander 'Alex' Garde

Christopher Francis Byrnes

Mailman (as Christopher Byrnes)

News Stand Guy (as Joseph Siriani)

Office Worker #1

Office Worker #2

Bruce-Robert Serafin

City Worker (as Bruce Serafin)

Anthony Estrella

Male School Teacher (as Tony Estrella)

Bomb Squad Officer

Lewis D. Wheeler

Geek with Glasses

Courtney O'Reagan

Rebekah Aramini

Fox Collar Lady

Richney Fischer

Cat Burglar Police #1

Cat Burglar Police #2

Stephen James Kidd

Bomb Squad Member (as Steve Kidd)

Rena Maliszewski

Police Secretary

Bomb Squad Officer #2 (as Robert Boehm)

Lincoln P. Sisson

Bomb Squad Officer #3

Harry L. Thomas

Capitol City Security

Capitol City Cop

Capitol City Cop

Hot Dog Contestant

Chris Andrew Ciulla

Fireman (as Chris Ciulla)

Stuart F. Wilson

Observer (uncredited)

Office Worker (uncredited)

Michael Tyler Henry

Jack Unger (voice)

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