Tom Cruise Ethan Hunt Hayley Atwell Grace Ving Rhames Luther Stickell Simon Pegg Benji Dunn Rebecca Ferguson Ilsa Faust Vanessa Kirby The White Widow Esai Morales Gabriel Pom Klementieff Paris Henry Czerny Kittridge Shea Whigham Briggs Greg Tarzan Davis Degas Frederick Schmidt Zola Mariela Garriga Marie Cary Elwes Denlinger Charles Parnell NRO Mark Gatiss NSA Indira Varma DIA Rob Delaney JSOC Marcello Walton Masked Adjutant Brian Law Adjutant Alex James-Phelps India Zulu 254 Marcin Dorociński Captain Ivan Ivashkin Executive Officer Zahari Baharov Deck Officer Adrian Bouchet Weapons Officer Sam Barrett Helmsman Jean Kartal Sonarman Nikolaos Brahimllari Diving Officer Antonio Bustorff Sailor Ioachim Ciobanu Sailor Jadran Malkovich Sailor Barnaby Kay Put-Pocket Passenger