How Old Are Actors Who Play Kids on TV?

Cory Monteith 1 of 11

Cory Monteith, who plays Finn Hudson on 'Glee,' was born on May 11, 1982. Cory was 27 when Glee first aired, and his character was supposed to be in 10th grade (that's about 16 years old). Cory is only three years younger than Matthew Morrison, the actor who plays the teacher and glee club coach on the show!