John Bosco Hogan (born March 1949) is an Irish stage, film, and television actor. He is well known as the character Dr. Michael Ryan on the television programme Ballykissangel. He appeared in a minor role as convicted felon George Saden in John Boorman's film Zardoz (1973), but his first major film role was as Stephen Dedalus in Joseph Strick's A Portrait of the Artist as a Young Man (1977), a film adaptation of James Joyce's novel of the same name. His later film credits include roles in The Outsider (1980), Screamtime (1983), In the Name of the Father (1993), Evelyn (2002) and King Arthur (2004). On television he played Jonathan Harker in the 1977 TV version of Count Dracula with Louis Jourdan; Frederick, Duke of York in Prince Regent in 1979; and Edward Ferrars in the 1981 adaptation of