- Maggie Smith
- Miss Shepherd
- Jim Broadbent
- Underwood
- Clare Hammond
- Young Margaret Fairchild
- George Fenton
- Conductor
- BBC Concert Orchestra
- The British Symphony Orchestra
- Alex Jennings
- Alan Bennett
- Jamie Parker
- Estate Agent
- Deborah Findlay
- Pauline
- Roger Allam
- Rufus
- Richard Griffiths
- Sam Perry
- Pandora Colin
- Fiona Perry
- Nicholas Burns
- Giles Perry
- Dominic Cooper
- Actor
- Giles Cooper
- Passer by
- Tom Klenerman
- Tom Perry
- Gwen Taylor
- Mam
- Frances de la Tour
- Mrs Vaughan Williams
- Claire Foy
- Lois, Social Worker
- James Corden
- Market Trader
- George Taylor
- Policeman
- David Calder
- Leo Fairchild
- Eleanor Matsuura
- Interviewer
- Selina Cadell
- Lady Wiggin
- Charlie Hancock
- Men Shaking Van
- Dan Raza
- Men Shaking Van
- Dermot Crowley
- Priest
- Clive Merrison
- Man in Confessional
- Samuel Barnett
- Out of Work Actor
- Russell Tovey
- Young Man with Earring
- Samuel Anderson
- Jehovah's Witnesses
- Michelle Reid
- Jehovah's Witnesses
- Sam Spruell
- Another Young Man
- Rosalind Knight
- Old Nun
- Elliot Levey
- Theatre Director
- Sarah Lieberson
- Stage Manager
- Cecilia Noble
- Miss Briscoe, Social Worker
- Hannah Watson
- Broadstairs Pianist
- Linda Broughton
- Edith Fairchild
- Stephen Campbell Moore
- Doctor at Old Peoples Home
- Marion Bailey
- Housekeeper at Convent
- Sacha Dhawan
- Doctor at Gloucester Crescent
- Andrew Knott
- Ambulance Man
- Lorna Brown
- Day Care Centre Worker
- June Watson
- Woman in Day Centre
- Sam McArdle
- Biker
- Tony Van Silva
- God
- Geoffrey Streatfeild
- Alan's Partner
- Alan Bennett
- Alan Bennett (2014)
- Freddie August
- Musician
- Richard Banks
- Neighbour
- Jessica Bastick-Vines
- Pauline and Rufus' Daughter
- Bern Collaço
- Concert Attendee
- Tom Coulston
- Smiling Pallbearer
- Edward Heath
- Self
- Samantha Kelly
- Concert Attendee
- Janette Sharpe
- Passerby
- Sam Shoubber
- Market Seller
- Tina Simmons
- Nosy Neighbour
- Margaret Thatcher
- Self
- Harriet Thorpe
- Customer (scene cut)