John Douglas is a fictional character portrayed by Roger Aaron Brown in the TV series Elementary.
In the first episode they appeared in, titled A Landmark Story (season 1), they were 63 years old.
They appear in 1 episodes out of a total of 154 aired
Episodes1
A Landmark Story
episode S1.E21 may 2013A man connected to the classification of a valuable building as a landmark trust dies when his pacemaker is deliberately short circuited. Holmes soon learns the one behind the murder is an old nemesis known to him only as "Moriarty".