Stephen L Sullivan, or "Sully", is an actor based in Los Angeles, CA. He recently can be seen portraying "John Lennon" in HBO's exciting new series, "Vinyl", in episode 8, "E.A.B.". He is well known for his role as "Clay" in AMC's "Mad Men" for his encounter with Roger Sterling at the hippie commune in the episode entitled, "The Monolith". He has also been seen as "Dennis Wilson", on Lifetime's, "Manson's Lost Girls". He has been on the short end of a rope as cattle wrangler, "Cooper James" in "Longmire". As the fratricidal "Liam Finnegan" of the Channel Street Boys in "Rizzoli & Isles". And as the itchy trigger fingered "Sean Rourke" in the short lived series, "Ironside". He was also seen as "Serge" on the long running "General Hospital".
