Hugh Bonneville as Lord Mountbatten

Gillian Anderson as Edwina Mountbatten

Michael Gambon as General Hastings Ismay

Manish Dayal as Jeet

Huma Qureshi as Aalia

David Hayman as Ewart

Simon Callow as Cyril Radcliffe

Om Puri as Ali Rahim Noor

Lily Travers as Lady Pamela Hicks

Simon Williams as Archie Wavell

Arunoday Singh as Asif

Sarah-Jane Dias as Sameera

Lucy Fleming as Lady Wavell

Marcus Jean Pirae as Alan Campbell Johnson

Samrat Chakrabarti as Mohsin

Terence Harvey as Sir Fred Burrows

Roberta Taylor as Miss Reading

Neeraj Kabi as Mahatma Gandhi

Denzil Smith as Muhammad Ali Jinnah

Darshan Jariwala as Guptaji

Raj Zutshi as

Jaz Deol as Duleep

Robin Soans as Governor Jenkins

Tanveer Ghani as Jawaharlal Nehru

Trishaan as Farrukh

Hriiday Malhotra as Sanjit

Noah Zeiler as Henry Grady

Nicholas Blane as Sir Olaf Kirkpatrick Caroe

Mahatma Gandhi as Self (archive footage)

Jawaharlal Nehru as Self (archive footage) (uncredited)

Edwina Mountbatten as Self (archive footage) (uncredited)

Louis Mountbatten as Self (archive footage) (uncredited)

Winston Churchill as Self (archive footage) (uncredited)