Briana Barbara-Jane Evigan (born October 23, 1986) is an American actress and dancer. She is best known for her roles as Andie West in the Step Up series and Cassidy Tappan in Sorority Row. She started dancing at the age of 9 and is still dancing as part of her career today. Evigan has been noted as a Scream Queen for starring in many horror and thriller films, such as Sorority Row, Burning Bright, Mother's Day, The Devil's Carnival, its sequel, Alleluia!, Stash House, Mine Games, and the second season of From Dusk Till Dawn.