Oliver Robert Ford Davies (born 12 August 1939) is an English actor and writer, best known for his extensive theatre work, and to a broader audience for his role as Sio Bibble in Star Wars Episodes I to III. He is also known for his role as Maester Cressen in HBO series Game of Thrones.
In 1959, as a member of the Oxford University Experimental Theatre Club, he appeared in his first Stratford performance in the Memorial Theatre's open-air production of Bartholomew Fair. His first professional appearances were, at the age of 27, in the 1967 season at the Birmingham Repertory Theatre. Short Seasons at the Mermaid, London, the Oxford Playhouse and the Cambridge Arts Theatre followed. His long and prolific association with the Royal Shakespeare Company started in 1975, when director Terry Hands cast him as Mountjoy in Henry V. He is an Honorary Associate Artist of the company. From 1990 until 2019 He appeared more frequently at the National Theatre, London, until at the age of 80 he lent his "sublime presence" to the part of the appraising button moulder in Henryk Ibsen's Peter Gynt at the Olivier Theatre.
On television, Davies had a regular role as Peter Foxcott QC in Kavanagh QC and was schoolmaster Le Bas in the serialization of A Dance to the Music of Time (1997). He also appeared with John Thaw in an episode of Inspector Morse and also appeared in the ITV television drama The Uninvited, and in a 2002 episode of the popular drama Foyle's War.
On film, his most prominent role was probably Sio Bibble in the Star Wars "prequel trilogy" films, released in 1999, 2002 and 2005. In 2003, Davies appeared in the film Johnny English, where he portrayed the Archbishop of Canterbury.
He appeared on stage as Polonius in Hamlet with the Royal Shakespeare Company, alongside David Tennant and Patrick Stewart, and in 2009 appeared in All's Well That Ends Well at the Royal National Theatre as the King of France. In 2010, he appeared as Balfour in the premiere of Ben Brown's play The Promise, about the Balfour Declaration.
In 2011, he appeared in a stage adaptation of Michelle Magorian's book Goodnight Mister Tom, in which he played the central character, Thomas Oakley. He was back with the Royal Shakespeare Company in 2014 as Justice Shallow in Henry IV, Part 2. Davies again appeared with David Tennant in Richard II in 2013. In February 2019 Davies discussed his career in the BBC Radio Three series Private Passions.