Meryl Streep

Margaret Thatcher

Anthony Stewart Head

Geoffrey Howe

Harry Lloyd

Young Denis Thatcher

Jim Broadbent

Denis Thatcher

Susan Brown

June

Alice da Cunha

Cleaner

Phoebe Waller-Bridge

Susie

Iain Glen

Alfred Roberts

Alexandra Roach

Young Margaret Thatcher

Victoria Bewick

Muriel Roberts

Olivia Colman

Carol Thatcher

Eloise Webb

Young Carol