
David Hattersley Warner (July 29, 1941 – July 24, 2022) was an English actor. Born in Manchester, he attended the Royal Academy of Dramatic Art and worked in the theatre before attaining prominence on screen in the early 1960s through his lead performance in the Karel Reisz film Morgan: A Suitable Case for Treatment, for which he was nominated for the BAFTA Award for Best Actor in a Leading Role.
Warner portrayed both romantic leads and villainous characters across a range of media, including The Ballad of Cable Hogue, Straw Dogs, Cross of Iron, The Omen, Holocaust, The Thirty Nine Steps, Time After Time, Time Bandits, Tron, A Christmas Carol, Portrait in Evil, Titanic, Mary Poppins Returns and various characters in the Star Trek franchise, in the films Star Trek V: The Final Frontier and Star Trek VI: The Undiscovered Country, and the television series Star Trek: The Next Generation.
In 1981, he won an Emmy Award for Outstanding Supporting Actor in a Miniseries or Special for his portrayal of Pomponius Falco in the television miniseries Masada.

Titanic
1997 · as Spicer Lovejoy

TRON: Ares
2025 · as Master Control Program (voice) (archival audio)

The Omen
1976 · as Keith Jennings

Scream 2
1997 · as Gus Gold

Black Death
2010 · as Abbot

Planet of the Apes
2001 · as Sandar

Tron
1982 · as Ed Dillinger / Sark

Mary Poppins Returns
2018 · as Admiral Boom

In the Mouth of Madness
1995 · as Dr. Wrenn

Teenage Mutant Ninja Turtles II: The Secret of the Ooze
1991 · as Professor Jordon Perry

Star Trek V: The Final Frontier
1989 · as St. John Talbot

Straw Dogs
1971 · as Henry Niles (uncredited)

Star Trek VI: The Undiscovered Country
1991 · as Chancellor Gorkon

Money Talks
1997 · as Barclay

Time Bandits
1981 · as Evil Genius

Time After Time
1979 · as Jack the Ripper - John Leslie Stevenson

Ice Cream Man
1995 · as Reverend Langley

Cross of Iron
1977 · as Hauptmann Kiesel