Maggie Smith

Miss Shepherd

Alex Jennings

Alan Bennett

Frances de la Tour

Ursula Vaughan Williams

Gwen Taylor

Mam

Dominic Cooper

Theatre Actor

James Corden

Street Trader

Roger Allam

Rufus

Samuel Anderson

Jehovah's Witness

Dermot Crowley

Priest

Jim Broadbent

Underwood

Stephen Campbell Moore

Doctor

Eleanor Matsuura

American Journalist

Sacha Dhawan

Doctor Malik

Samuel Barnett

Donald

Deborah Findlay

Pauline

David Calder

Mr. Fairchild

Elliot Levey

Theatre Director

Claire Foy

Lois, Social Worker

Pandora Colin

Mrs. Perry

Marion Bailey

Convent Housekeeper

Russell Tovey

Young Man with Earring

Rosalind Knight

Old Nun

Jamie Parker

Estate Agent

Geoffrey Streatfeild

Alan's Partner