Young Eisenheim
Charlie Chaplin
Dave Lizewski / Kick-Ass
Bennett Brewer
John Lennon
Prosper
Robbie Jennings
William
Tom / Thomas
Ben
Joe Mackins
Johanan
Dave Lizewski / Kick-Ass
Vronsky
Pietro Maximoff / Quicksilver
Ford Brody
Danny
Flip
Tom Ryder
Pietro Maximoff / Quicksilver (uncredited)
Ray Marcus
Finch
Jamie
Isaac
George
Michael Sheldrake (age 15)
James Douglas, Lord of Douglas
James Frey
Archie Reid
Ives
Tangerine
Sergei Kravinoff / Kraven the Hunter
Olav
Friedrich Harding
Self
Jamie
Zac Clough
Aaron
Mark (voice)
Self - Pietro Maximoff / Quicksilver (archive footage)
Owen Stephens
Niker
Self
Jaidan (voice)
Pietro Maximoff / Quicksilver (archive footage) (uncredited)
Self / Presenter
Eoin
Mark
Joey Byrne
Dave Lizewski / Kick-Ass (archive footage)
Self
Mark
Self - Presenter
Self - Guest
Self - Guest