Following the news of his death, tributes have begun pouring in for the star.
Friday Night Dinner creator Robert Popper penned: “Devastated at this terribly sad news. Paul was a lovely, wonderful human being. Kind, funny, super caring and the greatest actor I ever worked with x”
Comedian Stephen Mangan wrote: “Trying to find a way to talk about Paul Ritter and struggling. My friend since we were students together.
“So much talent and it shone from him even as a teenager. I was so lucky to know him and lucky too to work with him many times over the years. Wonderful man. RIP.”
Actor Mark Gatiss added: “Paul Ritter. What an actor. What a presence. So shocked and saddened by this awful news. RIP.”
Joanna Lumley also paid tribute, writing: “So sad to hear the passing of the hilarious and brilliant Paul Ritter. Thoughts go out to his family & friends at this very sad time. #PaulRitter”