Mark Twain is a fictional character portrayed by William Shatner in the TV series Murdoch Mysteries.
In the first episode they appeared in, titled Marked Twain (season 9), they were 84 years old.
They appear in 1 episodes out of a total of 287 aired so far
Episodes1
Marked Twain
episode S9.E2 october 2015As a visit to Toronto for a speaking engagement by Mark Twain leads to controversy, Murdoch and the team from Station House 4 are tasked with protecting him.