Oscar MacGuire is a fictional character from the Australian soap opera Home and Away, played by Jake Speer. The actor was cast in the role after a successful audition and a callback, in which he acted alongside various actresses to find the right one to play Oscar's sister. He began filming his first scenes in April 2013. Speer expressed his surprise at being cast in Home and Away, as he did not think he had "the right look" for the show. He made his first screen appearance during the episode broadcast on 3 September 2013.

Evelyn "Evie" MacGuire is a fictional character from the Australian soap opera Home and Away, played by Philippa Northeast. The actress was cast in the role after a successful audition and a callback, in which she was paired with various actors to find the right one to play Evelyn's brother. Northeast had to relocate from her home town of Melbourne to Sydney for filming. She made her first screen appearance during the episode broadcast on 3 September 2013. Northeast left Home and Away in 2016, and her character made her departure on 24 May 2017.