Frankie Muniz
Malcolm (22 eps)
Jane Kaczmarek
Lois (22 eps)
Bryan Cranston
Hal (22 eps)
Justin Berfield
Reese (22 eps)
Erik Per Sullivan
Dewey (22 eps)
Christopher Masterson
Francis (22 eps)
James Rodriguez
Jamie (22 eps)
Lukas Rodriguez
Jamie (22 eps)
David Anthony Higgins
Craig Feldspar (4 eps)
Gary Anthony Williams
Abraham 'Abe' Kenarban (4 eps)
Craig Lamar Traylor
Stevie Kenarban (3 eps)
Steve Vinovich
Principal (3 eps)
Hayden Panettiere
Jessica (2 eps)
Evan Sabara
Kid in Locker (2 eps)
Emy Coligado
Piama Tananahaakna (2 eps)
Rheagan Wallace
Raduca (2 eps)
Cloris Leachman
Ida Welker (2 eps)
Preston Shores
Utility Player (2 eps)
Yun Choi
Mike (2 eps)
Trevor Shores
Utility Player (2 eps)
Amy Davidson
Paula (1 eps)
Stephen Lee
Speaker (1 eps)
Anastasia Baranova
Sonja (1 eps)
Suzie Pollard
Hanna (1 eps)
Lamont Thompson
Cedrick Hampton (1 eps)
Larisa Oleynik
Abby (1 eps)
Josh Hammond
Travis (1 eps)
Stuart Fratkin
Dave (1 eps)
Nolan North
Leonard Nimoy (voice) (1 eps)
Michaela Watkins
Receptionist (1 eps)
Zach Mills
Matt (1 eps)
Jeff Doucette
Nate (1 eps)
Vanessa Marano
Gina (1 eps)
Perry Anzilotti
Earl (1 eps)
Alex Weed
Karl (1 eps)
Erik von Detten
Brad (1 eps)
Tara Karsian
Shelly (1 eps)
Lynsey Bartilson
Danielle (1 eps)
Roark Critchlow
Vince (1 eps)
George Takei
George Takei (1 eps)
Christel Khalil
Kristin Peterson (1 eps)
Tara Lipinski
Carrie (1 eps)
Rosanna Arquette
Anita (1 eps)
Harold Sylvester
Phelps (1 eps)
Mark DeCarlo
Announcer (1 eps)
Yvette Nicole Brown
Female Security Agent (1 eps)
Danielle Savre
Heidi (1 eps)
Alec Medlock
Kid (1 eps)
Sarah Wright
Vicki (1 eps)
Hayley DuMond
Sally (1 eps)
Rick Zieff
Heidi's Dad (1 eps)
Jan Hoag
Receptionist (1 eps)
Michael Yama
Mr. Yamamoto (1 eps)
Nestor Serrano
Pig Prosecutor (voice) (1 eps)
Daylon Reese
One Kid (1 eps)
India King
Strumpet Girl (1 eps)
Dan Martin
Malik (1 eps)
Cece Tsou
Vivian (1 eps)
Kim Shannon
Kit (1 eps)
Atticus Todd
Cow Skull Guy (1 eps)
Rebecca Metz
Mother (1 eps)
Elijah Anarchist
Father (1 eps)
Sven Holmberg
Rebirth Man (1 eps)
Eva La Dare
Bystander (1 eps)
Aaron Hendry
Bystander (1 eps)
Max Faugno
Man (1 eps)
Jon Beavers
Man (1 eps)
Scott Adsit
Joe (1 eps)
Richard V. Licata
Cochran (1 eps)
Wes Robinson
Richard (1 eps)
Diana Murphy
Connie (1 eps)
Laura Hayes
Hattie (1 eps)
Jack Axelrod
Sheldon (1 eps)
Rob Elk
Devon (1 eps)
Rose Abdoo
Margie (1 eps)
Reggie Jordan
Police Officer (1 eps)
Margarita Franco
Distraught Woman (1 eps)
Brooke Ingraham
Allison (1 eps)
Justin Rios
Axe Head Kid (1 eps)
Bruno Amato
Cop (1 eps)
Larry Polson
Lloyd (1 eps)
Perry D'Marco
Teacher (1 eps)
Julia Levy-Boeken
Inge (1 eps)
Ellen Hollman
Maayke (1 eps)
Chris Eigeman
Lionel Herkabe (1 eps)
Mimi Cozzens
Donna (1 eps)
Kathryn Joosten
Claire (1 eps)
Kevin Will
Gina's Father (1 eps)
Fiona Hale
Edna Thornby (1 eps)
Tom Lent
Janitor (1 eps)
Murray Rubin
Teddy (1 eps)
Gloria LeRoy
Judith (1 eps)
Tangelia Rouse
Mavis (1 eps)
Lillian Adams
Mona (1 eps)
Alanna Masterson
Heidi (1 eps)
Marcus Toji
Owen (1 eps)
Dan Olivo
Nick (1 eps)
James Henriksen
Male Security Agent (1 eps)
Doug Ballard
Businessman (1 eps)
Nikki Tyler-Flynn
Female Security Agent (1 eps)
Kathleen Garrett
Mrs. Werner (1 eps)
Traber Burns
Minister (1 eps)
James McCauley
Burt (1 eps)
Scott Klace
Ned (1 eps)
Pete Gardner
Milt (1 eps)
Reid Collums
Bela (1 eps)
Kathleen York
Ellie (1 eps)
Brian Palermo
Steve (1 eps)
Frank Crim
Barry (1 eps)
Johanna McKay
Carol (1 eps)
Maurice Godin
Car Dealer (1 eps)
Kevin Michael Richardson
Bob Hope (voice) (1 eps)
James Geralden
Speaker (1 eps)
Matthew Willig
Crash (1 eps)
George McQuade
George (1 eps)
Diane Robin
Heidi's Mom (1 eps)
Chancellor Miller
Jordan (1 eps)
Jarod Einsohn
Matt (1 eps)
Alex Morris
Trey (1 eps)
Edward James Gage
Brian (1 eps)
Jonathan Craig Williams
Steve (1 eps)
Paul Rae
Cop (1 eps)
Scott Director
Customer (1 eps)
Danny Chambers
Man at Alley (1 eps)
Sandra Purpuro
Miss Zeiger (1 eps)
Sonya Eddy
Mabel (1 eps)
Ryan Raftery
Dick (1 eps)
Wendy Worthington
Cheryl (1 eps)
Karen Russell
Janet (1 eps)
Andrea Silvers
Contestant (1 eps)
Joe Donohoe
Contestant's Boyfriend (1 eps)
Darryl Henriques
Oven Guy (1 eps)
Terry Rhoads
Supervisor (1 eps)
Kevin Brief
Brian (1 eps)
John Balma
Hampton (1 eps)
Brooks McBeth
Lyle (1 eps)
Michael Robert Berger
Cow Judge (voice) (1 eps)
Mildred Dumas
Elderly Woman (1 eps)
Caitlin Crosby
Kelly (1 eps)
Amy Halloran
Carla (1 eps)
Scarlett Lam
Jeanie (1 eps)
Shanna Collins
Shana (1 eps)
Jeff Braine
A.J. (1 eps)
Kate Micucci
Heather (1 eps)
Adam Rose
Ken (1 eps)
Samantha Streets
Anna (1 eps)
Jozef Fahey
Mike (1 eps)
Josh Gundling Williamson
Employee Robbie (1 eps)
Nikki Boyer
Pedicurist (1 eps)
Eddie Pepitone
Homeless Nick (1 eps)
Linwood Boomer
Loan Shark (1 eps)
Raymond O'Connor
Al (1 eps)
Noah Matthews
Young Malcolm (1 eps)
Harvey B. Jackson
Parent (1 eps)
Eva Fisher
Woman (1 eps)
Kate Linae
Cindy (1 eps)
Fernando Jiménez
Cell phone Guy (1 eps)
Scott Francisco
Singing Fish (voice) (1 eps)