Perry Mason References Perry Mason American television series [2020] Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: John Lithgow/ Other credits, including The Crown…(2020) of the TV series Perry Mason and in The Old Man (2022–24). In 2025 it was announced that he would play Dumbledore in an upcoming HBO series on the Harry Potter books. Read More…(2020) of the TV series Perry Mason and in The Old Man (2022–24). In 2025 it was announced that he would play Dumbledore in an upcoming HBO series on the Harry Potter books. Read More