Kelly Macdonald Lizzie Nealey
Hugh Bonneville Hector Blake
Varada Sethu Naserine 'Naz' Raheem
Sean Coleman Prefect (uncredited)
George MacKay Toby Nealey
Yazdan Qafouri Omid
Mark Holman Harris Visual Effects Supervisor
Anthony Calf Superintendent William Roy
Jonathan Coy Headmaster
Narges Rashidi Dorsa (Neighbour)
Isa Yousufzai Mix Technician
Luke Gomes Stunt Double
Kahleen Crawford Casting
Michael Schaefer Executive Producer
Ioanna Trikerioti Chatziioannou Digital Imaging Technician
Emma Britton Stunt Double
Jeremy Richardson Editor
Lee Byford Detective (uncredited)
Adrian Lane Park Passerby
Anthony Skrimshire Stunt Double
Katie Bullock-Webster Post-Production Manager
Gabriel Bisset-Smith Dave Colombo (Vlogger)
Nick Wall Still Photographer
Daniel Battsek Executive Producer
Ollie Madden Executive Producer
Yariv Milchan Executive Producer
Chris Lyons Special Effects Makeup Artist
Kit Fraser Cinematography, Director of Photography
Sam Biggs ADR Mixer
Jordan Milliken First Assistant Sound Editor
Antonio Aakeel Faisal
Alan Gilchrist Dressing Prop
Percelle Ascott Jameel 'Jay' Agassi
Fergus Pateman Mix Technician
Eliza Heslop Casting Associate
Franc Ashman DS Ella Lloyd
Babak Anvari Director, Writer, Story, Co-Producer
Paddy Wallace C.I.D Officer Jeff
Lucan Toh Producer
Sullivan Cayless Props
Kim Honeyman Digital Intermediate Producer
Eve Martin Assistant Art Director
Syreeta Kumar Naz's Mother
Max Mindell Yosif
Samuel Creasey Groundy
Nicholas Read Angus
Amerjit Deu Naz's Father
Dan Moran Colorist
Nate Bolotin Executive Producer
Isobel Waller-Bridge Original Music Composer
Namsi Khan Writer
Peter Bramhill Officer Morgan
Aram Tertzakian Executive Producer
Marilyn Nnadebe PC Hunter
Lennard Ortmann Production Manager
Lara Denning Rosalind
Edward Wolstenholme Businessman
Taz Fairbanks Boom Operator
Michelle Thomas Party Guest (uncredited)
Jude Campbell First Assistant Director
Adele Firth Prosthetic Designer
Guy Robbins Car Driver (uncredited)
Holly Smart Costume Design
Verity Wislocki Post Production Supervisor
Barry Keil First Assistant Director
Amy Boyd Prosthetic Makeup Artist, Makeup Supervisor
Daphne Tychogiorgou First Assistant Editor
David Britain Location Manager
Danny Clark Art Direction
Gabrielle Wood Script Supervisor
Kit Harvey Unit Manager
Avelino Fernandez Gaffer