Aaron Taylor-Johnson

as Dave Lizewski / Kick-Ass

Chloë Grace Moretz

as Mindy Macready / Hit Girl

Nicolas Cage

as Damon Macready / Big Daddy

Lyndsy Fonseca

as Katie Deauxma

Mark Strong

as Frank D'Amico

Deborah Twiss

as Mrs. Zane

Christopher Mintz-Plasse

as Chris D'Amico / Red Mist

Elizabeth McGovern

as Mrs. Lizewski

Omari Hardwick

as Sergeant Marcus Williams

Xander Berkeley

as Detective Gigante

Garrett M. Brown

as Mr. Lizewski

Clark Duke

as Marty

Evan Peters

as Todd

Sophie Wu

as Erika Cho

Stu 'Large' Riley

as Huge Goon

Michael Rispoli

as Big Joe

Corey Johnson

as Sporty Goon

Kenneth Simmons

as Scary Goon

Anthony Desio

as Baby Goon

Randall Batinkoff

as Tre Fernandez

Dexter Fletcher

as Cody

Yancy Butler

as Angie D'Amico

Craig Ferguson

as Craig Ferguson

Jason Flemyng

as Lobby Goon

Adrian Martinez

as Ginger Goon

Joe Bacino

as Posh Goon

Johnny Hopkins

as 1st Gang Kid

Ohene Cornelius

as 2nd Gang Kid

Carlos Besse Peres

as Buttons

Russell Bentley

as Medic

Tamer Hassan

as Matthew

Tim Plester

as Danil

Hubert Boorder

as Oscar Juarez

Christopher McGuire

as Diner Fight Guy #1

Max White

as Diner Fight Guy #2

Dean Copkov

as Diner Fight Guy #3

Jacob Cartwright

as Running Teenager

Maurice DuBois

as News Anchor

Dana Tyler

as News Anchor

Omar A. Soriano

as Leroy

Katrena Rochell

as Female Junkie

Kofi Natei

as Rasul

Dan Duran

as Reporter

Louis Young

as Breaking News Reporter

Val Jobara

as Nervous Goon

Quinn Smith

as Big Mean Boy

Kirk Tingblad

as Audience Member (uncredited)

Peter Bartfay

as Comic Store Customer (uncredited)

Jason Salkey

as 1st Cop (uncredited)

Daphne Cheung

as Siew Ling (uncredited)

Russell De Rozario

as Man in Elevator (uncredited)

Annie Cooper

as Jess (uncredited)

Adam Blampied

as Kid in Comic Book Store (uncredited)

Wayne Curnew

as Bartender (uncredited)

Tangara Jones

as Gang Girl (uncredited)

Rab Affleck

as Moustache Goon (uncredited)

Alexander Hathaway

as Comic Book Store Manager (uncredited)