Lindy Booth (born April 2, 1979) is a Canadian actress. She played Riley Grant on the Disney Channel series The Famous Jett Jackson (and Agent Hawk in the show-within-a-show Silverstone) and Claudia on Relic Hunter and A.J. Butterfield on the NBC series The Philanthropist. She then played Cassandra Cillian on the TNT series The Librarians (2014–2018).