Home People Brittany Allen Brittany Allen shows Brittany Allen shows Brittany Allen TV Shows (5) Defiance (2013) As Tirra, She was 27 years old Bomb Girls (2012) She was 25 years old Lost Girl (2010) As Della, She was 24 years old Warehouse 13 (2009) As Laura Roth, She was 23 years old All My Children (1970) As Marissa Tasker, She was 16 years old