Nicole de Boer is a Canadian actress. She is best known for starring in the cult film Cube as Joan Leaven, playing Ezri Dax on the final season of Star Trek: Deep Space Nine (1998–1999), and as Sarah Bannerman on the series The Dead Zone (2002–2007). Since 2016 she has had a recurring role as Becca Dorsay, ex-wife of one of the series leads on the Canadian-produced crime drama Private Eyes.