Sesselman is a fictional character portrayed by John de Lancie in the TV series The Librarians.
In the first episode they appeared in, titled And the Infernal Contract (season 2), they were 67 years old.
They appear in 1 episodes out of a total of 42 aired
Episodes1
And the Infernal Contract
episode S2.E6 november 2015An old friend of Baird's is running for Mayor of a small New Hampshire town and finds himself embroiled in a scandal in the form of a missing intern and a literal contract with the Devil. Baird soon finds herself in a battle not only for her own soul, but also for the souls of all the Librarians.