From his biography, Ken Jenkins started to act in Actors theater of Louisville and it was under leadership of Jon Jory and he worked as the member of this company for 3 years. This is the institution that had produced the playwrights like Marsha Norman and Beth Henley. He appeared in the Adult Math before and in the episodes of Homefront and of X-Files for the episode called Medusa season 8, Evolution and Babylon. He was also in The season three premiere episode for the Star Trek: The Next Generation, Wiseguy and in the Early Edition, the episode deadline season 3 and in the Scrubs.

Ken Jenkins had been in many other films including Courage Under Fire, Matewan, the sum of All Fears, I Am Sam, Gone in 60 Seconds, Fled, Last Man Standing, air America, The Abyss and Executive Decision. He was also in the remake of Psycho of 1998. He played like a father of Fran Goldsmith in the TV miniseries called Stephen King, Clockstoppers and The Stand. Jenkins is able to sign and also plays an acoustic guitar and he is seen doing this on the Scrubs Episodes like My Tuscaloosa Heart and in My Musical. He had a recurring role in the Cougar Town and he was the father to Jules which was being played by Courtney Cox. He also appeared in the music video of the Blanks called Guy Love when he was an owner of L.A Bar. In the recent past, he played as Representative Howard W. Smith in HBO TV movie called All The Way and this in which segregationist views of Smith were positing the divisive and central opposition to the propel of Civil Right Act of 1994 of President Lyndon B Johnson.

Ken Jenkins got married two times in his life. His first wife is Joan Patchen who was a painter and actress. They were married in the year 1958 and they got three sons together Daniel, Joshua and Mathew. They divorced after being together for 11 years. Joan died in 2000. After one year after his divorce, he married katharine Houghton. She is a playwright and actress. They were married in 1970 and they are still together up to now and they are loving toward one another. Ken Jenkins is getting a huge salary as an actor and his entire net worth is over 40 million dollars.

Ken Jenkins should not be confused with Ken Jenkins who is a natural history photographer, outdoor adventurer, lecturer and writer. His photographs had been appearing in the publications and article for over 30 years. Many galleries exhibit his work and he is the owner of Ken Jenkins photography website.