Along with Simon Pegg, Alan Dale, Daphne Ashbrook, Guy Siner, Maurice Roëves, Barrie Ingham, John Franklyn-Robbins, Christopher Neame and Deep Roy, he is one of only ten actors to have speaking roles in both the "Star Trek" and "Doctor Who" franchises. He played Professor Stahlman/Director Stahlman in "Doctor Who: Inferno: Episode 1 (#7.19)" (1970) and an elderly cleric in "Star Trek: Voyager: Blink of an Eye (#6.12)" (2000).
He has appeared in episodes of two different science fiction series which featured a regular character called the Doctor: "Doctor Who: Inferno: Episode 1 (#7.19)" (1970) and "Star Trek: Voyager: Blink of an Eye (#6.12)" (2000).
He was a close friend of Sir Alec Guinness for many years.
His father was English and his mother Danish