Melissa Roxburgh (born December 10, 1992) is a Canadian actress. She is known for her roles in Diary of a Wimpy Kid: Rodrick Rules (2011) and Diary of a Wimpy Kid: Dog Days (2012), as Ensign Syl in the 2016 film Star Trek Beyond, and as Olivia Tanis in The Marine 4: Moving Target. She currently plays Michaela Stone in the 2018 NBC television series Manifest.
Roxburgh is the second oldest of four children; she has two sisters (Kristie and Ashley) and one younger brother (Matt). Her father is a Canadian pastor, and her mother Shelley is a British retired tennis player. Her parents, after moving to Canada from the US, founded a church in Vancouver. Roxburgh's father is originally from Chicago, making her a dual citizen of Canada and the United States.
After graduating from high school, Roxburgh began pursuing acting in Vancouver. She landed her first major role in Diary of a Wimpy Kid: Rodrick Rules as Rachel. She went on to also appear in the Diary of a Wimpy Kid sequel Dog Days but as a different character, Heather Hills. Her other work in films has included Big Time Movie, Jeni in Leprechaun: Origins, and Ensign Syl in Star Trek Beyond. Her television work has included the Supernatural spinoff, Bloodlines, and Thea in The CW's drama series Valor.