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 (2012)
Dr. Josh Gallagher first appeared during the show's 20th anniversary, portrayed by Chris Tempest. He appeared until January 2014.