Robert Phalen born May 10 1937 is an American actor who starred in films and on television He was born in San Francisco California where he attended George Washington High School was active in the schools drama club and served as student body president His early stage work includes his membership in San Franciscos Actors Workshop where he played a variety of roles in the early 1960s including Mick in Harold Pinters The Caretaker He was in the 1978 hit horror movie Halloween as Dr Terence Wynn His character returned in the 1995 sequel Halloween The Curse of Michael Myers but the role was taken over by Mitch Ryan Robert also appeared in two other John Carpenter movies namely Someones Watching Me 1978 and Starman 1984 His other film credits include Three Days of the Condor 1975 Just You and Me Kid 1979 Zoot Suit 1981 The Gladiator 1986 and Impulse 1990 Phalen has made guest appearances on many TV shows Some of those appearances include MASH Baretta Centennial Hill Street Blues The Facts of Life and Babylon 5 as the father of main character Susan Ivanova