Meryl Streep

Margaret Thatcher

Alexandra Roach

Young Margaret Thatcher

Amanda Root

Amanda

Richard E. Grant

Michael Heseltine

Jim Broadbent

Denis Thatcher

Pip Torrens

Ian Gilmour

Olivia Colman

Carol Thatcher

Anthony Stewart Head

Geoffrey Howe

Tessa Ross

Executive Producer

Iain Glen

Alfred Roberts

Michael Pennington

Michael Foot

Nicholas Farrell

Airey Neave

Michael Maloney

Doctor

Julian Wadham

Francis Pym

David Westhead

Shadow Minister

François Ivernel

Executive Producer

Cameron McCracken

Executive Producer

Roger Allam

Gordon Reece

Sylvestra Le Touzel

Hostess 1949

Phyllida Lloyd

Director

Angus Wright

John Nott

Harry Lloyd

Young Denis Thatcher

Phoebe Waller-Bridge

Susie

Susan Brown

June

Nick Dunning

Jim Prior

Alice da Cunha

Cleaner

Victoria Bewick

Muriel Roberts

Emma Dewhurst

Beatrice Roberts

Adam Kulick

Executive Producer