Albert Speer included the titular character played by the English actor who had worked extensively with what two companies?
Albert Speer (play):  It premiered that year at the Lyttelton auditorium of the Royal National Theatre, with the title role played by Alex Jennings and the role of Hitler played by Roger Allam. Alex Jennings: Alex Jennings (born 10 May 1957) is an English actor, who has worked extensively with the Royal Shakespeare Company and National Theatre.
Royal Shakespeare Company and National Theatre