Ryan McLachlan, played by Richard Norton, made his first screen appearance on 15 February 1990. Norton told Chrissie Camp of TV Week that he "couldn't believe his luck" when he received the role of Ryan. He moved to Melbourne aged 19 to begin filming. Ryan is the older brother of Tiffany McLachlan (Amber Kilpatrick) and very protective towards his younger sister. Ryan and Tiffany come to Ramsay Street to stay with their aunt, Dorothy Burke (Maggie Dence). Norton stayed with Neighbours for one year and left to join the cast of rival soap opera Home and Away. Writers devised an exit storyline which saw him leave Erinsborough to join the army. Lord Ledgerwood Lord Ledgerwood, played by Derek Nimmo, made his first screen appearance during the episode broadcast on 26 February 1990. The character and Nimmo's casting were announced on 6 December 1989. James Cockington from The Sydney Morning Herald reported that the British actor had joined the cast in a guest role. He filmed on location in Lyme Park, Cheshire in the United Kingdom alongside Anne Charleston and Ian Smith who play Madge Bishop and Harold Bishop respectively. Cockington said the scenes were due to air in February which were billed as two special episodes. Nimmo was interested in appearing in Neighbours when he was approached because he thought it would be a free holiday. But they informed him that filming would take place in his own country. Nimmo told Cockington that he believed the episodes would be well received by Australian viewers because of his character. He branded Lord Ledgerwood a "archetypal silly Pom" which in his opinion Australians like. The character has been described as an "eccentric peer". Rosemary Daniels (Joy Chambers) also featured in his storyline. Madge and Harold walk around Lyme Park in England where they see Rosemary. She thinks she will need to fly back to the US and asks Madge and Harold to find Lord Ledgerwood and secure her business deal. They visit his estate but he refuses to see them. Rosemary arrives having not left after all. Lord Ledgerwood agrees to see Rosemary and he shows everyone around. The character's final appearance was screened on 27 February 1990. Dorothy Burke Dorothy Burke (previously McLachlan), played by Maggie Dence, made her first on-screen appearance on 7 March 1990. The actress was appearing in a theatre production when she was approached by a representative