Aaron Taylor-Johnson character Dave Lizewski / Kick-Ass
Chloë Grace Moretz character Mindy Macready / Hit-Girl
Christopher Mintz-Plasse character Chris D'Amico / The Motherfucker
Jim Carrey character Sal Bertolinni / Colonel Stars and Stripes
Clark Duke character Marty Eisenberg / Battle Guy
Garrett M. Brown character James Lizewski
Lindy Booth character Miranda Swedlow / Night Bitch
Iain Glen character Uncle Ralph
Morris Chestnut character Detective Marcus Williams
Donald Faison character Doctor Gravity
John Leguizamo character Javier
Augustus Prew character Todd Haynes / Ass Kicker
Robert Emms character Insect Man
Monica Dolan character Tommy's Mum
Steven Mackintosh character Tommy's Dad
Andy Nyman character The Tumor
Daniel Kaluuya character Black Death
Tom Wu character Genghis Carnage
Olga Kurkulina character Katarina Dombrovski / Mother Russia
Yancy Butler character Angie D'Amico
Claudia Lee character Brooke
Ella Purnell character Dolce
Tanya Fear character Harlow
Benedict Wong character Mr. Kim
Lyndsy Fonseca character Katie Deauxma
Sophie Wu character Erika Cho
Amy Anzel character Mrs. Zane
Matt Steinberg character Mr. Radical
Trenyce Cobbins character Coach Podell
Angelica Jopling character Lois
Enzo Cilenti character Lou
Wesley Morgan character Simon
Dimitri Vantis character Tony
Stewart Scudamore character Eyal
Tom Benedict Knight character Alley Hood
Mary Kitchen character News Reporter
Charlie Clapham character Goth Kid
Katrina Durden character Red Fang
Vander McLeod character FBI Agent
Trevor Allan Davies character Old Man
Adam Bond character Funeral Cop