Aaron Taylor-Johnson

Dave Lizewski / Kick-Ass

Chloë Grace Moretz

Mindy Macready / Hit Girl

Nicolas Cage

Damon Macready / Big Daddy

Lyndsy Fonseca

Katie Deauxma

Mark Strong

Frank D'Amico

Deborah Twiss

Mrs. Zane

Christopher Mintz-Plasse

Chris D'Amico / Red Mist

Elizabeth McGovern

Mrs. Lizewski

Omari Hardwick

Sergeant Marcus Williams

Xander Berkeley

Detective Gigante

Garrett M. Brown

Mr. Lizewski

Clark Duke

Marty

Evan Peters

Todd

Sophie Wu

Erika Cho

Stu 'Large' Riley

Huge Goon

Michael Rispoli

Big Joe

Corey Johnson

Sporty Goon

Kenneth Simmons

Scary Goon

Randall Batinkoff

Tre Fernandez

Dexter Fletcher

Cody

Yancy Butler

Angie D'Amico

Craig Ferguson

Craig Ferguson

Jason Flemyng

Lobby Goon

Adrian Martinez

Ginger Goon

Joe Bacino

Posh Goon

Johnny Hopkins

1st Gang Kid

Ohene Cornelius

2nd Gang Kid

Russell Bentley

Medic

Tamer Hassan

Matthew

Tim Plester

Danil

Hubert Boorder

Oscar Juarez

Dana Tyler

News Anchor

Katrena Rochell

Female Junkie

Kofi Natei

Rasul

Dan Duran

Reporter

Jason Salkey

1st Cop (uncredited)

Daphne Cheung

Siew Ling (uncredited)

Russell De Rozario

Man in Elevator (uncredited)

Annie Cooper

Jess (uncredited)

Adam Blampied

Kid in Comic Book Store (uncredited)

Rab Affleck

Moustache Goon (uncredited)

Alexander Hathaway

Comic Book Store Manager (uncredited)