Yvonne Jeffries is a fictional character on the New Zealand soap opera Shortland Street. She was portrayed by Alison Quigan in a guest stint in 2004, before returning in a regular role the following year. She remained on the show until 2011 and returned as part of the shows 20th anniversary in May 2012.

Olivia "Libby" Tippett is a fictional character on the New Zealand soap opera Shortland Street who was portrayed by Fleur Saville from early-2006 to mid-2010. She returned in a guest appearance during the shows 20th anniversary in 2012.