Frances Rose McIver is a New Zealand actress. She starred as Olivia "Liv" Moore in The CW supernatural comedy-drama series iZombie (2015–2019) and played Summer Landsdown the Yellow Ranger in Power Rangers RPM (2009). She also played the role of Amber Moore in the romantic comedy film A Christmas Prince (2017) and its two sequels The Royal Wedding (2018), and The Royal Baby (2019). McIver began her career with guest appearances in New Zealand-based series, such as Xena: Warrior Princess, Hercules: The Legendary Journeys and Legend of the Seeker. She also had recurring roles in the Showtime period drama series Masters of Sex (2013–14) and the ABC fantasy adventure drama series Once Upon a Time (2013–2017). She is currently starring in the CBS supernatural sitcom Ghosts (2021–). McIver made her film debut in the period drama The Piano (1993). She has since starred in the drama The Lovely Bones (2009), the horror comedy Predicament (2010), the sports drama Blinder (2013), the romance drama Petals on the Wind (2014) and the musical drama Daffodils (2019).