Fat Albert
Animated character Fat Albert emerges from his TV universe into the real world, accompanied by his friends Rudy, Mushmouth, Old Weird Harold and Dumb Donald. Though the gang is flabbergasted by the modern world, they make new friends, and Albert attempts to help young Doris become popular. But things get complicated when Albert falls for her older sister, Lauri, and must turn to creator Bill Cosby for advice.
Kenan Thompson
Fat Albert
Kyla Pratt
Doris Robertson
Dania Ramirez
Lauri Robertson
Shedrack Anderson III
Rudolph "Rudy" Davis
Jermaine Williams
James "Mushmouth" Mush
Keith D. Robinson
William Henry "Bill" Cosby Jr.
Marques Houston
"Dumb" Donald Parker
Aaron Frazier
"Old Weird" Harold Simmons
Bill Cosby
Self
Omarion
Reggie
Keri Lynn Pratt
Heather
Alice Greczyn
Becky
Dylan Cash
Emmitt
Alphonso McAuley
Bucky Miller
Aaron Carter
Teen
J. Mack Slaughter
Arthur
Nick Zano
Camera Salesman
Annie Abbott
Mrs. Forchick
Rick Overton
Coach Gillespie
Fonzworth Bentley
Salesman
Jeff Leaf
Basketball Player
Jeanne Chinn
Woman #1
Raven-Symoné
Danielle (voice)
Ben Diskin
Teen #2 (voice)
Catero Colbert
Lead Teen (voice)
Michael Franklin
Dancer
Jeff Harlan
Dad
Cody Fleetwood
Kid
Jenifer Yeuroukis
Woman #2
Alyssa Shafer
Little Girl
Damon Elliott
DJ
Jeremy Suarez
Russell (voice)
Earl Billings
Mr. Mudfoot (voice)
Charles Duckworth
Teen #1 (voice)
Jeff Garlin
Jer
Monica Allison
Additional Voices (voice)
Joe Koons
Hero - Track Star (uncredited)