Derek Philby is a fictional character portrayed by Andrew McCarthy in the TV series Monk.
In the first episode they appeared in, titled Mr. Monk Goes Back to School (season 2), they were 40 years old.
They appear in 1 episodes out of a total of 124 aired
Episodes1
Mr. Monk Goes Back to School
episode S2.E1 june 2003When English teacher Beth Landow falls from the clock tower at Trudy's former high school, Monk is called in and quickly disproves the police theory of suicide. The trail of clues leads to a science teacher but he has an iron-clad alibi. Monk becomes a substitute teacher in the hopes of solving the case.