Inua Ellams (born Jos, Nigeria in 1984) is a UK-based poet, playwright and performer.
 Ellams has written for the Royal Shakespeare Company, Royal National Theatre and the BBC.
 His one-man show "The 14th Tale" was the awarded a Edinburgh Fringe First at the Edinburgh International Festival in 2009 and later transferred to the Royal National Theatre.
 "Barber Shop Chroncles", his play produced by the National Theatre and Fuel Theatre, was longlisted the Alfred Fagon Award in 2017.
Nick Powell is a British musician, composer and sound designer.
 He has worked extensively in theatre on productions in the West End and on Broadway, and for companies including the Royal National Theatre, the Royal Shakespeare Company, the National Theatre of Scotland, the Royal Court Theatre, and the Donmar Warehouse.
Strange Days is a 1995 American science fiction thriller film directed by Kathryn Bigelow, written by James Cameron and Jay Cocks, and produced by Cameron and Steven-Charles Jaffe.
 It stars Ralph Fiennes, Angela Bassett, Juliette Lewis, and Tom Sizemore.
 Set in the last two days of 1999, the film follows the story of a black marketeer of SQUID discs, recordings that allow a user to experience the recorder's memories and physical sensations, as he attempts to uncover the truth behind the murder of a prostitute.
Rory Michael Kinnear (born 17 February 1978) is an English actor and playwright who has worked with the Royal Shakespeare Company and the Royal National Theatre.
 In 2014, he won the Olivier Award for Best Actor for his portrayal of Shakespeare's villain Iago in the National Theatre production of "Othello".
Strange Days on Planet Earth is a four-part (1 hour each) television program on PBS concerning human impact on the environment.
 It is narrated by Edward Norton.
 The show was produced by Sea Studios Foundation.
 Strange Days on Planet Earth grew into an ongoing partnership with the National Geographic Society to bring focus on our personal connection to the planet’s life systems.
The Royal National Theatre (generally known as the National Theatre) in London is one of the United Kingdom's three most prominent publicly funded performing arts venues, alongside the Royal Shakespeare Company and the Royal Opera House.
 Internationally, it is known as the National Theatre of Great Britain.
Femi Elufowoju Jr. (born 31 October 1962) is a British-born Nigerian actor, performer, and director.
 He is the first theatre director of African descent to establish a national touring company in the UK.
 His stage work has been featured at the Royal Court Theatre, the Royal National Theatre, the West Yorkshire Playhouse, Manchester's Royal Exchange, the Theatre Royal, Stratford East and the Soho Theatre, and he has worked under such notable theatre directors as Sir Richard Eyre, Nicholas Hytner, Yvonne Brewster, John Retallack, Annabel Arden, Jude Kelly and Annie Castledine.
Robert "Bob" Horwell is a British actor who was born in Scarborough, North Riding of Yorkshire.
 His father, whom he was named after, was a coal merchant and Audrey, his mother, was also a successful small businesswoman.
 His sisters Angela and Sue run a small designer clothing outlet in his hometown.
 He is best known for having played the role of Nick Neeson in the British soap opera "Coronation Street".
 Horwell has also appeared on stage in many productions including "War Horse", "Henry V" (Royal National Theatre), "Cyrano de Bergerac" (RSC and West End), "Lysistrata" (Sir Peter Hall Company Tour and West End), "Edmond" (Royal National Theatre, alongside Kenneth Branagh), "Alice in Wonderland" (Royal Shakespeare Company).
Ralph Nathaniel Twisleton-Wykeham-Fiennes ( ; born 22 December 1962) is an English actor, director and producer.
 A noted Shakespeare interpreter, he first achieved success onstage at the Royal National Theatre.
"Strange Days" is a song by The Doors.
 It was released in 1967 and is the first track on the album of the same name.
 According to a review at Allmusic by Tom Maginnis, the song seems to find lead singer Jim Morrison "pondering the state of the then emerging hippie youth culture and how they are perceived by mainstream or 'straight' society."
 A visit to New York City by The Doors inspired Jim Morrison to write "Strange Days" and other songs on the "Strange Days" album, the band's second.

Question: What actor first achieved success onstage at the Royal National Theatre and starred in Strange Days? 
Answer: Ralph Fiennes