A British-Swiss actor of Turkish Sephardic Jewish heritage, Arditti grew up in Istanbul before relocating to London in 1999 and completing his training at the Royal Academy of Dramatic Art in 2004. He co-founded the Arcola Theatre and entered British television with roles in series such as Casualty, Spooks and Silent Witness, as well as the comedy-drama film Happy-Go-Lucky and a radio adaptation o…