James Norton as Alex Godman David Strathairn as Semiyon Kleiman, Israeli businessman Aleksey Serebryakov as Dimitri Godman, Alex's father Maria Shukshina as Oksana Godman, Alex's mother David Dencik as Boris Godman, Alex's uncle Merab Ninidze as Vadim Kalyagin, powerful member of the Russian Mafia Juliet Rylance as Rebecca Harper, Alex's fiancée Oshri Cohen as Joseph, Israeli bodyguard Nawazuddin Siddiqui as Dilly Mahmood, Indian business partner Rajshri Deshpande as Manju, Mahmood's girlfriend Faye Marsay as Katya Godman, Alex's sister Sofia Lebedeva as Lyudmilla Nikolayeva, beauty therapist Yuval Scharf as Tanya, Semiyon's personal assistant