1981, Christopher Mercantel, March 1981 until July 1981, Nigel Reed, Fall 1981 until December 1982), written out. Dr. Peter Chapman (Curt Dawson), written out in May 1980. Dr. Paul La Crosse (Jacques Roux), character killed off in January 1981. Diane Ballard (Sofia Landon Geier), character killed in September 1981. Lt. Larry Wyatt (Joe Ponazecki) Carmen Monvales (Blanca Camacho), written out in September 1980. Lucille Wexler (Rita Lloyd), character killed on October 20, 1980. Dr. Mark Hamilton (Burton Cooper), character ceased appearing in 1980. Neil Blake (Patrick Horgan), written out in January 1983. D.A. Clarence Bailey (Larry Weber, 1982–1985 and then again 1987 until end of decade). Floyd Parker (Tom Nielson), character went to prison in May 1985. Dr. Gonzalo Moreno (Gonzalo Madurga), character killed off in January 1981. Dr. Greg Fairbanks (David Greenan), written out in March 1980. Dr. Margaret Sedwick (Margaret Gwinver) Dr. Renee DuBois (Deborah May), character killed in February 1980. Derek Colby (Harley Venton, 1980–1982), written out in October 1982. Duke Lafferty (Gary Phillips, 1980–1981), character went to prison. Dr. Frank Nelson (Keith Charles, 1980–1981), Kelly's father. Joe Bradley (Michael J. Stark, October 1980 until September 1981), character killed in September 1981. Trudy Wilson Werner (Amy Steel, 1980–1981), married Tim, ceased appearing. Gracie Middleton (Lori Shelle, August 1981 until June 1983), Nola's best friend, written out. Lesley Ann Monroe Andrews (Carolyn Ann Clark, October 5, 1981 until May 29, 1984), character killed in May 1984. Gunther Lagosi (George Kappazi, October 1981 until March 1983), Quint's assistant, character killed off. Mrs. Violet Renfield (Beulah Garrick, October 1981 until June 1983), Quint's former housekeeper, written out. Helena Mancini (Rose Aliao, April 1982 until September 1983), written out. She and Justin Marler broke up months before. Samantha Marler returned to Springfield in 1989. Ivy Pierce AKA Brenda Lowery (Deborah May, March 1982 until April 1983), written out. Silas Crocker (Benjamin Hendrickson, July 1, 1982 until April 1, 1983), character killed off. Mona Enright AKA Rebecca Cartwright (Leslie O'Hara, July 1982 until May 1983), character killed off. Paulie Amato (Michael Maderiros, 1982 to 1983), written out. Helen Tynan (Micki Grant, 1982 to 1984), written out. Clay Tynan (Giancarlo Esposito, 1982 to 1983), Helen's adult son, written out. Dr. Matt Davenport (James Carroll, 1982 to 1983), written out. Jane Hogan (Mary Pat Gleason, 1983 to 1985), written out. Warren Andrews (Warren Burton, May 1983 until June 12, 1987), married to Lesley Ann,