Xavier Samuel (born 10 December 1983) is an Australian actor. He has appeared in leading roles in the feature films September, Further We Search, Newcastle, The Loved Ones, Frankenstein, A Few Best Men, and played Riley Biers in The Twilight Saga: Eclipse and as Billy in Spin Out.
Samuel was born in Hamilton, Victoria, the son of Maree and Clifford Samuel. He grew up in Adelaide, South Australia and graduated from Rostrevor College in 2001. He has a younger brother, Benedict, a writer, producer and actor, as well as an older sister, Bridget, a stage manager.