List of Shortland Street characters (1992)
Guy Warner was the guidance councilor brother of Chris Warner (Michael Galvin). Craig Parker played him in a guest stint in 1992 before returning as a regular from 1993 to 1996. He appeared again in 2007.
List of Shortland Street characters (2004)
Dr. Mark Weston first appeared in an episode set in Fiji. He worked in a clinic there when Chris Warner (Michael Galvin) and Toni McAllister (Laura Hill) visited but it was not long before he landed a job at Shortland Street. He was instantly attracted to Maia Jeffries (Anna Jullienne) and saved her life when his psychopathic friend Hugo Carmont (Fraser Brown) tried to kill her in exchange for Mark's romance. Mark began to date Maia's sister Tania (Faye Smythe) but he cheated on her with school girl Claire Solomon (Emily Robins) which ended the relationship. Mark had a near romance with Toni but reconciled with Tania but when he discovered an addiction to sex when online dating, Tania forced him to seek help. The two married in 2007 but Mark's love for Maia took over and he donated sperm to her behind Tania's back. Mark also landed himself as a lead suspect in several murders that took place. The stress got to him and he cheated on Tania with Meg Harris (Emily Mowbray) at his birthday party before he confessed the truth about his and Maia's child to the Jeffries family. Isolated and wifeless, Mark departed Ferndale for Australia. With the marriage annulled it was later revealed Mark had remarried and had a child.