Robin Sachs
From Tardis Wiki, the free Doctor Who reference
Robin Sachs (born 5th February 1951) played an unnamed British professor in the Torchwood story, The New World. He is the son of Leonard Sachs, a Doctor Who actor.
Sachs is perhaps best known for his recurring role as Ethan Rayne in the television series Buffy the Vampire Slayer from 1997 to 2000.
