cast
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David Tennant
RD Laing
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Elisabeth Moss
Angie Wood
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Michael Gambon
Sidney Kotok
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Gabriel Byrne
Jim
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David Bamber
John Meredith
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Olivia Poulet
Maria
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Adam Paul Harvey
Paul Zemmell
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Jerome Holder
John Holding
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Linda Hargreaves
Mrs Holding
- Declan Wilson Mr Holding
- Lucie Glynn Joan Walker
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Cia Allan
Mrs Walker
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Trevor White
Bryan
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Rebecca Gethings
Jane Simons
- Lydia Orange Sarah
- Tom Richards Raymond
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James Utechin
Sam
- Alexandra Finnie Susie Laing
- Ruby Winter Karen Laing
- Alistair Stoddart Laing Child
- Jake Saville Laing Child
- Amelia Leather Laing Child
- Isaac Benn RD Laing as a Child
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Nigel Barber
Dr Bloom
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Paul Hunter
Glasgow Consultant
- Bryan Bounds Radio Host
- Matthew Jure Richard Long
- Kelby Keenan Olivia Keenan
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Alex Walton
Sean
- Zara Plessard TV Presenter
- Aaron Taylor Pieter Kotok
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Caitlin Innes Edwards
Mrs Kotok
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Leo Heller
Young Sidney
- Richard Calder Chairman / Psychiatrist
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Philip Gascoyne
Psychiatrist
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Victor Ptak
Psychiatrist
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Stephen Schreiber
Psychiatrist
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David Annen
Psychiatrist
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Helen Belbin
Amelia Laing
- Peter F. Gardiner David Laing
- Wendy Barrett Anne Laing
- Alastair Natkiel Guest at Jazz Club
- Maya Chesca Miles Fran Klein
- Lanna Joffrey Eleanor Goodhart
- Sam Booth Michael Lear
- Nicola Simonds Kingsley Hall Guest
- Judith Alexander Social Worker
- Striker John Policeman
- Michael Smoker Policeman
- Jeannie McGinnis Airport Check-in Woman
- Jamie Edgerton Barman
- Mike Shoring Tai Chi Instructor
- Redford Glynn Baby Gabriel