Idris Elba Luther Actor, Associate Producer Warren Brown Justin Ripley Actor Dermot Crowley Martin Schenk Actor Michael Smiley Benny Deadhead Actor Nikki Amuka-Bird Erin Gray Actor Sienna Guillory Mary Day Actor David O'Hara George Stark Actor Rachel Hankey Emily Hammond Guest Star Kevin Fuller Paul Ellis Guest Star Shaun Mason Sean "Beanie" Beamish Guest Star Lucian Msamati Ken Barnaby Guest Star Maria Miles Tessa Barnaby Guest Star Sasha Behar Dani Lane Guest Star Selva Rasalingam Craig Lane Guest Star Neil Cross Writer Phillippa Giles Executive Producer Leila Kirkpatrick Line Producer Katie Swinden Producer Sam Miller Director