Spudvisor
Joe Alaskey

Duck Dodgers / The Martian Commander (voice) (67 episodes)

Bob Bergen

The Eager Young Space Cadet (voice) (67 episodes)

Richard McGonagle

Dr. I.Q. Hi (voice) (67 episodes)

Tia Carrere

The Martian Queen (voice) (67 episodes)

Michael Dorn

Centurion Robot (voice) (67 episodes)

Jeff Bennett

Ambassador Porkwellington / Narrator (voice) (2 episodes)

Goozer (voice) (1 episode)

Crowd Member (voice) (1 episode)

John DiMaggio

Kilowog (voice) (2 episodes)

Long John Silver / The Crusher (voice) (1 episode)

Long John Silver the 23rd (voice) (1 episode)

John O'Hurley

Captain Star Johnson (voice) (3 episodes)

Star Johnson (voice) (1 episode)

Mako

Happy Cat (voice) (2 episodes)

Happy Cat / Ah-Choo (voice) (1 episode)

Dee Bradley Baker

Captain Richards / Giant Space Monkey (voice) (1 episode)

Attack Droids (voice) (1 episode)

Henry Winkler

Dr. Maniac (voice) (2 episodes)

Dave Mustaine

Himself (voice) (2 episodes)

Grey DeLisle-Griffin

Catapoid (voice) (1 episode)

Computer (voice) (1 episode)

Maurice LaMarche

K'chutha Sa'am / Seaman (voice) (1 episode)

K'chutha Sa'am (voice) (1 episode)

Jim Cummings

Tazmanian Devil / Father (voice) (1 episode)

Tasmanian Devil / The Black Eel (voice) (1 episode)

Kevin Michael Richardson

Agent Roboto / Nasty Canasta (voice) (1 episode)

Agent Roboto (voice) (1 episode)

Vanessa Marshall

The New Cadet (voice) (1 episode)

Waitress / Woman #2 / Woman #3 (voice) (1 episode)

Grey Griffin

Food Synthesizer (voice) (1 episode)

Massage Girl (voice) (as Grey DeLisle) (1 episode)

Billy West

The Mother Fudd / Zeke / Martian Commander (voice) (1 episode)

The Fudd (voice) (1 episode)

Tom Kane

The President of Outer Space (voice) (1 episode)

Walter Carbonite / Cooter / Crewmember (voice) (1 episode)

Chris Edgerly

Steve Boston (voice) (2 episodes)

Michael Patrick McGill

Bigfoot / The Annhiliationator (voice) (as Michael McGill) (1 episode)

Bigfoot / Yacht Owner (voice) (as Michael McGill) (1 episode)

Frank Welker
Michael Gough

Captain Glousterman / Professor / Reporter (voice) (1 episode)

Dick Beals

Baby-Faced Moonbeam (voice) (1 episode)

Kevin Smith

Hal Jordan (voice) (1 episode)

Loni Anderson

Herself (voice) (1 episode)

Jess Harnell

Puerco (voice) (1 episode)

Tom Jones

Theme Song Performance (67 episodes)

Kelly Ripa

The New Cadet (voice) (1 episode)

June Foray

Lezah the Wicked (voice) (1 episode)

Macy Gray

Lady Chanticleer (voice) (1 episode)

Brian Wilson

Brian Wilson (voice) (1 episode)

Genndy Tartakovsky

Cyber Pirate of the Future (voice) (1 episode)

Tim Curry

Magnificent Rogue (voice) (1 episode)

Lewis Black

Manobrain (voice) (1 episode)

Quentin Tarantino

Master Moloch (voice) (1 episode)

Burt Reynolds

Royal Serpenti (voice) (1 episode)

Dom DeLuise

Roy Serpenti (voice) (1 episode)

Marc Singer

Kirk Manlord (voice) (1 episode)

Jennifer Hale

Pirate Lass / Becky - Wealthy Passenger (voice) (1 episode)

John de Lancie

Sinestro (voice) (1 episode)

John Stephenson

Ganthet (voice) (1 episode)

Tara Strong

Katma-Tui / Little Girl (voice) (1 episode)

Clancy Brown

Archduke Zag (voice) (1 episode)

Jodi Benson

Princess Incense (voice) (1 episode)

Rob Paulsen

Porko (voice) (1 episode)

Amy Brassette

Jamie Wynters (voice) (1 episode)

Michael Gough

The Professor / Pilot (voice) (1 episode)

Taylor Lautner

Reggie Wasserstein (voice) (1 episode)

Dave Wittenberg

Id Dodgers / Protectorate Agent #1 (voice) (1 episode)

Tisha Terrasini Banker

Lieutenant Aurora Soleil (voice) (1 episode)

Paget Brewster

Rona Vipra (voice) (1 episode)

René Auberjonois

McChirpy (voice) (1 episode)

Jeff Garlin

Camoman (voice) (1 episode)

Sander Schwartz

Executive Producer (23 episodes)

Bobbie Page

Associate Producer (23 episodes)

Kliph Scurlock

Theme Song Performance (67 episodes)

Wayne Coyne

Theme Song Performance (67 episodes)

Michael Ivins

Theme Song Performance (67 episodes)

Steven Drozd

Theme Song Performance (67 episodes)