Darcy Tyler is a fictional character from the Australian soap opera Neighbours, played by Mark Raffety. He made his first screen appearance during the episode broadcast on 15 November 2000. The following year, Raffety became a series regular. He departed in June 2003, but made returns in 2004 and 2005.

Dione "Dee" Bliss is a fictional character from the Australian soap opera Neighbours, played by Madeleine West. The actress received the role three days after securing an agent. West deferred her law degree studies to take the part. She made her first screen appearance during the episode broadcast on 3 February 2000. The character proved popular with viewers and producers soon promoted her to the main cast. West decided to leave Neighbours at the end of her contract in 2003. She filmed her final scenes in April and Dee made her last appearance on 29 July 2003.