Stephen Chang

Katherine Evelyn Anita Cassidy, known as Katie Cassidy, is an American actress. Born in Los Angeles in 1986 to actor and musician David Cassidy (1950-2017) and Sherry Williams, she graduated from Calabasas High School. She began her acting career in 2003 with the TV series *The Division*. Her first film was *When a Stranger Calls* in 2005. She joined the cast of *Supernatural* in its third season as Ruby/Lilith. After appearing in series such as *Harper's Island*, *Melrose Place*, and *Gossip Girl*, she rose to prominence with her role as Dinah Laurel Lance / Black Siren in the series *Arrow*, which began in 2012. She was engaged to Matthew Rodgers in 2017.