Dave Lizewski / Kick-Ass (as Aaron Johnson)
Mr. Lizewski
Marty
Todd
Mrs. Zane
Katie Deauxma
Erika Cho
Mrs. Lizewski
Chris D'Amico / Red Mist
Huge Goon (as Stu Riley)
1st Gang Kid
2nd Gang Kid
Frank D'Amico
Big Joe
Sporty Goon
Scary Goon
Baby Goon
Buttons (as Carlos Besse Peres)
Tre Fernandez
Cody
Mindy Macready / Hit-Girl
Damon Macready / Big Daddy
Medic
Lobby Goon
Matthew
Angie D'Amico
Ginger Goon
Danil
Posh Goon
Oscar Juarez
Diner Fight Guy #1 (as Chris McGuire)
Diner Fight Guy #2
Diner Fight Guy #3
Running Teenager
News Anchor
Self
Leroy (as Omar Soriano)
Female Junkie
Rasul
Detective Gigante
Sergeant Marcus Williams
Reporter
Breaking News Reporter
Nervous Goon (as Walle Jobara)
Big Mean Boy
Moustache Goon (uncredited)
Michalsky - NYPD Police Officer (uncredited)
Comic Store Customer (uncredited)
Kid in Comic Book Store (uncredited)
Police Officer (uncredited)
Siew Ling (uncredited)
Jess (uncredited)
Bartender (uncredited)
Man in Elevator (uncredited)
Comic Book Store Manager (uncredited)
Gang Girl (uncredited)
Comic Book Store Employee (uncredited)
1st Cop (uncredited)
Cheerleader (uncredited)
Audience Member (uncredited)