Career
He made an appearance as "Doctor Gail" in the 2010 Christmas Special "The Perfect Christmas" episode of the award winning British Broadcasting Corporation sitcom Miranda alongside Sally Phillips, Miranda Hart, Tom Ellis, Sarah Hadland and Patricia Hodge, and his character returned in Series 3, Episode 4: Je Regret Nothing. In November 2012, it was announced that Rayner was cast as Simon Templar in a pilot for a new television series based on the character. Principal photography began on Monday, December 17, 2012 in Pacific Palisades, California.
Executive producer Roger Moore was unable to sell the pilot, and Rayner has since been cast as the lead in the Forex television series, Tyrant, which débuted in June 2014.
He will reprise his lead role in the upcoming second season. He is currently in a relationship with actress Lucy Brown, and they have one son together born 28 December 2014.