sentences:  He guest starred as Father Austin Purcell in "Think Fast, Father Ted", an episode of the Channel 4's sitcom "Father Ted".He had a small part in the British film "East is East" as a priest.Keaton is also a well established actor in the theatre, and has appeared at The Royal Exchange Theatre in Manchester in "Animal Crackers", "American Buffalo", "Harvey", "Cyrano de Bergerac", and playing the role of David Bliss in Noël Coward's "Hay Fever".