Searxng/Rooster HBO tv Celebrity Phil Dunster stars as an egotistical professor in HBO's new comedy Rooster. His life unravels after a messy breakup and campus chaos. April 20, 2026 AceShowbiz - Phil Dunster returns to HBO with a fresh, antagonistic role in the comedy series Rooster, co-created by Bill Lawrence and Matt Tarses. The show follows Dunster as Archie, a Russian history professor at Ludlow College, whose life spirals into chaos following a controversial breakup and unexpected complications on campus.