Alycia Jasmin Debnam-Carey (born 20 July 1993) is an Australian actress. She is known for her roles as Commander Lexa on The CW science fiction television series "The 100" (2014–2016) and Alicia Clark on the AMC horror drama television series "Fear the Walking Dead" (2015–present). She was born on 20 July 1993 in Sydney, New South Wales, Australia.