The following is a list of characters that first appeared in the Network Ten soap opera Neighbours in 2003, by order of first appearance. Ric Pellizzeri took over the role of executive producer from Stanley Walsh, who left the show in November 2002. The 19th season of Neighbours began airing on 20 January 2003 and Pellizzeri's name was added to the credits on 12 May. That same month saw Rhiannon Fish join the cast as Lisa Jeffries. Talent manager Melody Jones arrived in June and Charlie Cassidy followed in July. Oscar Scully, the fifth child of the established Lyn and Joe, was born in August. September saw three introductions; Izzy Hoyland, Detective Alec Skinner and Rocco Cammeniti. Two new members of the Bishop family arrived in October, Liljana and her daughter, Serena. Wendy Stapleton joined the cast as Nina Tucker's mother, Trixie, and Natalie Blair debuted as Carmella Cammeniti. December saw the introduction of Simon Mallory as Chris Cousens.