Robin Sachs was an English actor, best known for his role as sorcerer Ethan Rayne on WB's Buffy the Vampire Slayer. Other television includes Na'Tok/Warleader Na'Kal/Hedronn on WB's Babylon 5, Hugh Roskill on Granada Television's Chessgame and Frank Osbaldistone on BBC's Rob Roy.

Film credits include Resident Evil: Damnation, Northfork, Ocean's Eleven, Galaxy Quest, Babylon 5: In the Beginning, The Lost World: Jurassic Park, Innocent Adultery, The Return of Ironside, Deadly Recruits, The Alamut Ambush, Richard II, Vampire Circus and Henry VIII and His Six Wives.

Theatre credits include Alex in Hitchcock Blonde (South Coast Repertory); Fabian/Orsino in Twelfth Night, various roles in Pericles, and Manco in Royal Hunt of the Sun (Round House Theatre); Bertoldo in Henry IV (Her Majesty’s Theatre); Sir Phillip Anstey in The Astronomer's Garden (Croydon’s Warehouse Theatre); Biff in Death of a Salesman (Harrogate Theatre); and Oberon and Thesus in A Midsummer Night's Dream (Thorndyke Theatre).