Olivia Fraser Richards is a fictional character from the Australian television soap opera Home and Away, played by Raechelle Banno. The character was born on-screen to parents Lachlan Fraser and Chloe Richards during the episode broadcast on 20 April 1998. Producers allowed Grieve and Wright to choose the name of their characters' daughter and they eventually settled on Olivia. The character was played by a number of infant actors until her departure in 1999. In 2005, Wright reprised her role as Chloe, while Ivy Latimer was cast as Olivia. Following Chloe's death, Olivia was at the centre of a custody battle between her grandmother Diana Fraser and Chloe's foster mother Irene Roberts.

Zac MacGuire is a fictional character from the Australian soap opera Home and Away, played by Charlie Clausen. The actor successfully auditioned for the role in 2012 and was told he had won the role on his birthday. Clausen began filming almost immediately and was initially contracted for three years. Clausen had to give up recording his podcast TOFOP at Seven Network's request, as it was deemed a conflict of interest. He made his first screen appearance on 22 January 2013.