Stars (in credits order)
Gethin Jones
Self - Presenter
Kym Marsh
Xand van Tulleken
Self
Rav Wilding
Anna Haugh
James Greenwood
Janette Manrara
William Kirk
Oti Mabuse
Sabrina Grant
Katya Jones
Mark Lane
Helen Skelton
Matt Allwright
Kathryn Louise Burn
Johannes Radebe
Tijion Esho
Rupy Aujla
Simon Calder
Martel Maxwell
Aljaz Skorjanec
Neil Jones
Sara Cox
Jacqui Joseph
Shirley Ballas
George Rainsford
Self - Guest
Gregg Wallace
Nicki Chapman
Gloria Hunniford
Kimberley Walsh
Michelle Ackerley
Sheree Murphy
Sara Davies
Karen Hauer
Chris Bavin
Esther Rantzen
Dianne Buswell
Amy Dowden
Riyadh Khalaf
Angela Rippon
Dominic Littlewood
Derrick Evans
Ranj Singh
Chris Packham
A.J. Odudu
Claudia Hammond
Robert Rinder
Hugh Dennis
Jay Blades
Adam Kay
Anton du Beke
Clara Amfo
Patrick Grant
Tommy Walsh
Kate Bottley
Tim Spector
Adam Henson
Alex Depledge
Craig Revel Horwood
Amar Latif
Vanessa Sanchez-Shimizu
Self - Imperial College London
Rylan Clark
Richard Curtis
Gyles Brandreth
Michael Mosley
J.J. Chalmers
Michael Rosen
Michelle Ogundehin
Simon Thomas
Romy Gill
Simon Reeve
Dominic Chinea
Giovanna Fletcher
Chris van Tulleken
Natasha Raskin Sharp
Jennie Bond
Joe Wicks
Graziano Di Prima
Kelly Somers
Ashley John-Baptiste
Ed Balls
Nancy Xu
Luba Mushtuk
Mandy Saligari
Alice Tapper
Alfie Hughes
Themself
Sam Quek
Kunal Trehan
Daniel Hardiman-McCartney
Self - Optometrist
Jeremy Dein
Self - Criminal Defence Barrister
Annabel Croft
Rochenda Sandall
Matt Lucas
Bear Grylls
Alison Steadman
Catherine Tyldesley
Caroline Quentin
Anita Dobson
Larry Lamb
Bill Bailey
Paul Whitehouse
Richard Osman
Bob Mortimer
Tanya Franks
Bob Barrett
Crissy Rock
Lucy Worsley
Michael Ball
Linda Nolan
Leona Lewis
Michaela Strachan
Brian May
Ben Fogle
Jean Johansson
Rick Stein
Self - Chef
Emma Barton
Frankie Bridge
Nick Knowles
Alexandra Burke
Dan Snow
Jamie Laing
Joe Sugg
Clare Balding
Matt Haig
Self - Author & Campaigner
Max George
Greg James
Dan Walker
Beverley Knight
Verity Rushworth
Alex Scott
Chris Hoy
Raj Bisram
Saffron Barker
Giovanni Pernice
Rory Reid
Will Kirk
Lesley Garrett
Felicity Finch
Bill Turnbull
Claude Littner
Nicola Adams
Sam Renke
Tom Moore
HRVY
Yolanda Brown
Elizabeth Day
Omari McQueen
Christine Walkden
Nazanin Zand
Self - Food Scientist & Microbiologist - University of Greenwich
Nick Pickett
Self - Music Specialist - Great Ormond Street Hospital
Tony Goldstone
Self - Radiologist - Imperial College London
Rose Morelli
Self - Student
Sophie Medlin
Self - Dietician
Richard Mainwaring
John Powell
Self - Building Surveyor
Katrina Pollock
Self - Senior Clinical Researcher
Paul Challinor
John Amaechi
Rebecca Fairclough
Self - Resident
Lorraine Lee
Self - Child Development Specialist
Alison Street
Self - Early Childhood Studies - Oxford Brookes University
Paul Sturridge
Self - Publican
Melody Greenwood
Self - Microbiologist
Melanie Armsden
Self - Vintage Stylist
Alex Elliot
Uchenna Okoye
Nilufar Ahmed
Self - Psychotherapist - University of Bristol
David Omand
Daryl Williams
Self - Partical Physicist - Imperial College London
Rachel Jones
Self - Chief Executive Officer - Bath Cats & Dogs Home
Greg Hobson
Self - Curator of Photography - National Media Museum
Garry Trainer
Self - Osteopath
Karen Gibson
Gareth Davies
Self - National Audit Office
Anastasia Frost
Matthew Walker
Self - Professor of Neuroscience and Psychology - University of California
Andy Brook
Harriet Walter
Ella Bruccoleri
Ruth Jones
James Nelson-Joyce
Dawn French
Amanda Holden
Claudia Winkleman
Elen Rhys
Fenella Woolgar
Gemma Atkinson
Laurence Llewelyn-Bowen
Lorcan Cranitch
Laila Rouass
Russell T. Davies
Louisa Lytton
Gaynor Faye
Carol Vorderman
Jack McMullen
Jo Brand
Katherine Rose Morley
Les Dennis
Denise Van Outen
Vic Reeves
Naga Munchetty
Beattie Edmondson
Jason Manford
Gabby Logan
Bonnie Tyler
Alex Jones
Martin Bayfield
Rik Makarem
Kate Humble
James Bye
Dion Dublin
Balvinder Sopal
Sally Ann Matthews
Kerry Katona
John Torode
Nicola Roberts
Storm Keating
Heather Small
Louise Redknapp
Vick Hope
Si King
Zoe Lyons
David Ames
Kevin Clifton
Shona McGarty
Motsi Mabuse
Nick Grimshaw
Wayne Perrey
Scott Mills
Matt Baker
David Myers
Julia Bradbury
Greg Jenner
Marian Keyes
Maggie Aderin-Pocock
Jordan North
Ken Bruce
Ella Al-Shamahi
Nadiya Bychkova
Simon Crowther
Pam Ayres
Touker Suleyman
Gorka Marquez
Dean Westmoreland
Paul McKenna
Chris Stark
James O'Brien
Eric Knowles
Reece Parkinson
ACTOR
Guy Mowbray
Nemone
Lindsey Russell
Adele Parks
Lee Burkhill
Rangan Chatterjee
Akis Petretzikis
Adam Rutherford
Tim Peake
Simon Parfett
Mehreen Baig
Shani Dhanda
Lost Voice Guy
Callum Robertson
Self - Museum curator
Melanie Blake
Jamie Murray
Massimo Peluso
Solange Azagury-Partridge
Iolo Williams
Jeremy Pang
Paul Stewart
Max Whitlock
Marion Yau
Shaun Leane
Maunika Gowardhan
Nicola Miles-Wildin
Catherine Mayer
Ronx Ikharia
James Newman
Ian Theasby
Priya Tew
Owen O'Kane
Dan Scarbrough
Faisal Abdalla
Bryony Gordon
Adam Purnell
Self - Kepplegate Care Home Manager
Murray Pittock
Dawn Bilbrough
Rob Staines
Henry Firth
Shauna Guinn
Annabel Scholey
Self - Actor
Kathryn Drysdale
Sally Wainwright
Nitin Ganatra
Martins Imhangbe
Scott Maslen
Bill Ward
Zaraah Abrahams
Paul Merton
Adam Thomas
Maisie Smith
Scarlett Moffatt
Shazia Mirza
Ian Hislop
Nick Hewer
Kevin Duala
Carrie Grant
Clair Norris
Clive Myrie
Self - Journalist, newsreader and presenter
Max Hastings
Self - Historian
Owain Wyn Evans
Miranda Krestovnikoff
Christopher Andrew McGerr
Katie Thistleton
Punam Krishan
Richard Taylor-Jones
Paul Alfred Andrews
Erin Baker
Fran Lee
Karl Davies
Kiruna Stamell
Hayley Tamaddon
Amy Walsh
Michelle Tsiakkas
Colletta Smith
Oscar Duke
Dipo Ola
Alan Carr
Elisabeth Dermot Walsh
Victoria Ekanoye
Nick Stapleton
Adam Hills
Ellie Leach
Gaby Roslin
Rob Mallard
Briony May Williams
James Blake
Self - Interviewee
Tom Parker-Bowles
Denise Nurse
Ritchie Neville
Sonali Shah
Marc Cananur
Iona Bain
Gemma Bray
Laura Pomfret
Dexter Greenwood
Lucy Pollock
Rebecca Mason
Self (uncredited)