David Warner played the same role twice, King Henry VI, in two different productions of the same name, for two different directors, over two decades apart. First came "The Wars of the Roses" (1965) for director John Barton, and second came "The Wars of the Roses" (1989) for director Michael Bogdanov. Coincidentally, the later production was released in the same year as The War of the Roses (1989) which was unrelated in every way, but had a similar title, and which did not star Warner.
Although he played Reinhard Heydrich, one of the key architects of the Holocaust, in both "Holocaust" (1978) and Hitler's S.S.: Portrait in Evil (1985) (TV), he is Jewish in real life.
Became an Associate Member of RADA.
Both he and his The Company of Wolves (1984) co-star Terence Stamp have played Jor-El, the biological Kryptonian father of Superman. He played the role in "Lois & Clark: The New Adventures of Superman" (1993) whereas Stamp provided the character's voice in "Smallville" (2001).
By appearing in Batman: The Animated Series ("Batman" (1992)), he became the first actor to play the villain Ra's-Al-Ghul. To date, he has been succeeded only by Ken Watanabe and Liam Neeson.
Chosen by Tony Richardson for his role in Tom Jones (1963) after the director enjoyed his performance in the play "Afore the night" (1962)
David Warner's limp in Straw Dogs (1971) was real. He had smashed both his heels in a fall sometime before filming began and it was a long time before he could walk normally again. Warner's name is not in the credits because, for his career's sake, he didn't want people to know about his problem. It was not for insurance reasons as it has been often written.
Has a daughter named Melissa. She was born in 1982.
Has appeared in three different films involving time travel: Time After Time (1979); Time Bandits (1981) and Planet of the Apes (2001).
Has appeared in three films about the Titanic: S.O.S. Titanic (1979) (TV); Time Bandits (1981) and Titanic (1997).
Has played at least three different species in the Star Trek universe: a human in Star Trek V: The Final Frontier (1989); a Klingon in Star Trek VI: The Undiscovered Country (1991) and a Cardassian in "Star Trek: The Next Generation" (1987).
Has vertigo. Was doubled in Time Bandits (1981) in the scene where the Evil Genius walks up the steps after caging the bandits, because he could not handle the drop below him.
He has made guest appearances on two different series about Superman. He played Superman's biological father Jor-El in "Lois & Clark: The New Adventures of Superman" (1993) and Ra's-Al-Ghul in "Superman" (1996).
He has two roles in common with both David Collings and Richard E. Grant. All three have played Bob Cratchit - Warner in A Christmas Carol (1984) (TV), Collings in Scrooge (1970) and Grant in A Christmas Carol (1999) (TV) - and the Doctor from "Doctor Who" (1963) - Warner in the Big Finish audio dramas "Sympathy for the Devil" and "Masters of War", Collings in the Big Finish audio drama "Full Fathom Five" and Grant in Comic Relief: Doctor Who - The Curse of Fatal Death (1999) (TV) and "Doctor Who: Scream of the Shalka" (2003).
In Time After Time (1979), he played John Leslie Stevenson (Jack the Ripper). In "The Outer Limits" (1995) episode "Ripper", he played Inspector Langford who was investigating Dr. Jack York (Cary Elwes) who was suspected of being Jack the Ripper.
Is one of only 32 actors or actresses to have starred in both the original Star Trek (up to and including Star Trek VI: The Undiscovered Country (1991)) and then in one of the spin-offs.
Played an ape in Planet of the Apes (2001), a character obsessed with gorillas in Morgan! (1966) and did a gorilla impression in The Man with Two Brains (1983).
Was originally slated to play Freddy Krueger in A Nightmare on Elm Street (1984). Make-up tests were done, but Warner had to drop out due to scheduling conflicts. Robert Englund was cast instead.