Cameron Riley Monaghanis an American actor and model. Beginning with his professional career as a child model at the age of three, and child actor at the age of seven, Monaghan is perhaps best known for his role as Ian Gallagher on the Showtime comedy-drama series Shameless, as Kevin O'Doyle in Click, Corey Doyle in Prom, Mason Ashford in Vampire Academyas Asher in The Giver, and as Jerome Valeska in Gotham...
(wikipedia)