Cast Credits Whitstable Pearl (2021) Guest starring as Kid Armstrong Episode 1x03: Civil War (May 31, 2021) Strike (2017) Guest starring as Freddie Bestigui Episode 1x01: Episode 1 (Aug 27, 2017) Luther (2010) Guest starring as Paul Ellis (2 episodes) Episode 3x02: Episode 2 (Jul 9, 2013) Episode 3x01: Episode 1 (Jul 2, 2013) Spooks (2002) Guest starring as Walter Crane Episode 7x08: Episode 8 (Dec 8, 2008) [Uncredited]