Markham Willis is a fictional character portrayed by Gil Birmingham in the TV series The Mentalist.
In the first episode they appeared in, titled Aingavite Baa (season 2), they were 56 years old.
They appear in 1 episodes out of a total of 151 aired
Episodes1
Aingavite Baa
episode S2.E18 april 2010Patrick is forced to turn to a woman with amnesia to help solve a murder case on an Indian reservation, while special agent Hightower delivers an ultimatum to Rigsby and Van Pelt about their personal relationship.