Eric McCormack
Lucky (voice) (65 eps)
René Auberjonois
McLeish (voice) (65 eps)
Yvette Nicole Brown
Cookie (voice) (65 eps)
John DiMaggio
Niblet (voice) (65 eps)
Alanna Ubach
Strudel / Mr. Nut Nut (voice) (65 eps)
Michael Rapaport
Squirt (voice) (65 eps)
M. Emmet Walsh
Olaf (voice) (65 eps)
Brooke Goldner
Rebound (voice) (23 eps)
Elizabeth Daily
Dolly (voice) (21 eps)
Cree Summer
Cupcake (voice) (21 eps)
Jeff Bennett
Bernie / Pike / Bumper (voice) (18 eps)
Jessica DiCicco
Patches (voice) (17 eps)
Kath Soucie
Dot's Mom / Molly / Kay (voice) (14 eps)
Betty White
Agatha McLeish (voice) (13 eps)
Tress MacNeille
City Council Woman (voice) (10 eps)
Grey DeLisle
Teen Boy's Mom / Tabitha (voice) (10 eps)
Tara Strong
Becky (voice) (9 eps)
Pamela Adlon
Taboo (voice) (9 eps)
Kevin Michael Richardson
Ringbinder / Bumbles / Announcer (voice) (8 eps)
Danny Cooksey
Chip / Biker (voice) (7 eps)
Lauren Tom
Dinky / Agent Ping (voice) (7 eps)
Corey Burton
Dr. Cooper (voice) (7 eps)
Clancy Brown
Sterling Von Oxnard (voice) (5 eps)
Anndi McAfee
Cheryl / Karen / Toddler (voice) (5 eps)
Dabney Coleman
Mayor (voice) (4 eps)
Ashley Johnson
Toyo (voice) (4 eps)
Jess Harnell
Dot's Dad / Stranger (voice) (4 eps)
Carlos Alazraqui
Solo (voice) (4 eps)
Ted Biaselli
Cuddlesworth (voice) (3 eps)
Rachel Crane
Tabitha (voice) (3 eps)
Justin Shenkarow
Chief (voice) (3 eps)
Charles Shaughnessy
Ralston (voice) (3 eps)
John J. York
Harry / Passenger #2 (voice) (3 eps)
Maurice LaMarche
Agent Francois (voice) (3 eps)
Rob Paulsen
Pet Delivery Guy / Cop (voice) (3 eps)
Jennifer Carpenter
Pepper (voice) (3 eps)
Lucas Grabeel
Jackpot / Little Boy #2 (voice) (3 eps)
Sam McMurray
Dad (voice) (2 eps)
George Takei
Mr. Julius (voice) (2 eps)
Jim Parsons
Milton Feltwaddle (voice) (2 eps)
Dave Thomas
Agent Todd (voice) (2 eps)
Frank Welker
Dad / Lackey (voice) (2 eps)
J.K. Simmons
Lt. Rock (voice) (2 eps)
Tom Kenny
Bobo / Chauncey / Dad Gardener (voice) (2 eps)
Diedrich Bader
Champ / Shopkeeper (voice) (2 eps)
Pamela Hayden
Female Voice / Toddler's Mom (voice) (2 eps)
Tammy Trull
Sarah (voice) (2 eps)
Fred Stoller
Ralph (voice) (2 eps)
Jeannie Elias
Leo / Mrs. Parker (voice) (2 eps)
Phil LaMarr
President Bigman / Copter Pilot (voice) (2 eps)
Gary Anthony Williams
Mr. Shattner / Stage Hand (voice) (2 eps)
Mo Collins
Jen (voice) (2 eps)
Gregg Berger
(voice) (1 eps)
Eddie Deezen
(voice) (1 eps)
Elan Garfias
(voice) (1 eps)
Michael Stanton
Bobby Bill (voice) (1 eps)
Katherine Helmond
Mildred (voice) (1 eps)
Matt Letscher
Hunky Man / Ticket Seller / Ref (voice) (1 eps)
Dave Foley
Agent Rick (voice) (1 eps)
Clifton Collins Jr.
Scar / Weasel (voice) (1 eps)
Richard Lewis
Buddy (voice) (1 eps)
Luke Perry
Fang (voice) (1 eps)
Stephen Tobolowsky
Mr. Geekman (voice) (1 eps)
Daisuke Suzuki
Mr. Sasaki (voice) (1 eps)
Carnie Wilson
Computer Voice / Olaf's Singing Voice (voice) (1 eps)
Bryce Hamilton
Girl Puppy (voice) (1 eps)
French Stewart
Zoltron (voice) (1 eps)
Jeff Corwin
Cap Wilder (voice) (1 eps)
Gavin MacLeod
Captain Gumble (voice) (1 eps)
Hunter Parrish
Tundra (voice) (1 eps)
James Remar
Sarge (voice) (1 eps)
Paul Willson
Mr. Biggles (voice) (1 eps)
Gary Cole
Slick (voice) (1 eps)
Georgina Cordova
Corky (voice) (1 eps)
Ellen Greene
Gertrude Washburn (voice) (1 eps)
Jentle Phoenix
Kiki (voice) (1 eps)
Mary Gross
Mrs. Beasley (voice) (1 eps)
Myles Jeffrey
Teen Boy #1 / Announcer #2 (voice) (1 eps)
Tim Conway
Wally Banks (voice) (1 eps)
Dom Irrera
Princess (voice) (1 eps)
Stacy Darrow
Mom (voice) (1 eps)
Wayne Knight
Ralphie / Construction Worker #1 (voice) (1 eps)
John Larroquette
Mayor (voice) (1 eps)
Maria Canals-Barrera
Dr. Trudy (voice) (1 eps)
Glenne Headly
Miss Petunia (voice) (1 eps)
Hynden Walch
Noodles / Mrs. Bower (voice) (1 eps)
Margaret Cho
Mrs. Wattana (voice) (1 eps)