Boyd Rolleston is a fictional character on the New Zealand soap opera Shortland Street portrayed by Sam Bunkall. He made his first screen appearance on the episode broadcast on 13 September 2012. Boyd arrives as the hospitals newest surgeon and is portrayed as a no-nonsense doctor, down-to-earth, and unpretentious despite coming from a wealthy and privileged upbringing, making friends regardless of his social-status.

Kylie Samuels is a fictional character on the New Zealand soap opera Shortland Street portrayed by Kerry-Lee Dewing. She made her first screen appearance on the episode broadcast on 24 September 2012. The character was introduced alongside Emma Franklin as friends to existing character Lana Jacobs. The character's storylines have focused on euthanasia, having a mastectomy, being infertile due to miscarriages from ectopic pregnancy and her relationship with TK Samuels.