Philip Locke played Bigon in Four to Doomsday. He also provided the voice of Control in parts one and two, but was uncredited on-screen. (DWM 213)
He made appearances in two of the BBC's children's drama serials: namely, Codename Icarus (1981) as the suave villain John Doll, and The Box of Delights (1984) as Arnold of Todi.
However, Locke's best-known role was the assassin Vargas in the James Bond film Thunderball (1965).