Nick Cannon as Alvin Johnson

Christina Milian as Paris Morgan

Kenan Thompson as Walter Colley

Kal Penn as Kenneth Warman

Steve Harvey as Clarence Johnson

Vanessa Bell Calloway as Vivian Johnson

Reagan Gomez-Preston as Olivia

Nicole Scherzinger as Champagne Girl

Melissa Schuman as Zoe Parks

Nichole Galicia as Yvonne Freeman

Sam Sarpong as Kadeem

Al Thompson as Ted

Elimu Nelson as Dru Hilton

Dante Basco as Spoken Word Artist

Jordan Burg as Little Boy

Jackie Benoit as Old Lady

George Cedar as Old Man

Gay Thomas Wilson as Judy Morgan

Imani Parks as Mia

Ian Chidlaw as Eddie

J.B. Ghuman Jr. as JB (as JB Guhman)

Russell W. Howard as Anthony

Stuart Scott as Stuart Scott

Kevin Christy as Chuck Mattock

Ashley Monique Clark as Aretha Johnson

Michael Q. Davis as Junior (as Michael Davis)

Peter Siragusa as Ben

Maria Carmen as Chemistry Teacher

Damon Butler as Martial Arts Mambo Instructor

Shani Pride as Jasmine

Kelly Becerra as Drill Team Member

Lindsey Blaufarb as Drill Team Member

Crystal Colar as Drill Team Member

Rocio Mendoza as Drill Team Member

Valerie "Raistalla" Moise as Drill Team Member

Benjamin Stephens as Jock #1

Charles Owens as Jazz Musician

Mayte Garcia as Dancer

Ralph Scherer as Poetry Reader

Ernestine Parks as Singer

Shvona Lavette Chung as Guitar Playing Vocalist

Ray Buffer as Mechanic (uncredited)