Dennis Lehane is a fictional character portrayed by Dennis Lehane in the TV series Castle.
In the first episode they appeared in, titled The Dead Pool (season 3), they were 45 years old.
They appear in 1 episodes out of a total of 173 aired
Episodes1
The Dead Pool
episode S3.E21 april 2011When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle and Beckett dive in to investigate his murder, and uncover myriad secrets that might have led to his death.