Haley Lu Richardson Hadley Sullivan, Executive Producer
Dexter Fletcher Val Jones
Jameela Jamil Narrator (voice)
Ben Hardy Oliver Jones
Rob Delaney Andrew Sullivan
Tom Taylor Luther Jones
Sally Phillips Tess Jones
Philip Bird Mr. O'Callaghan
Doña Croll Hat Lady Elizabeth
Kerry Howard Maid of Honour Violet
Mark Lane Executive Producer
Jessica Ransom Bridesmaid Bertie
David Langham UK Border Officer
Ibinabo Jack Bridesmaid Shanti
Mick Ward First Assistant Director
Tracy Wiles Mrs. O'Callaghan
Angus Kennedy Thicker
Sophie Kenny Third Assistant Director
Vanessa Caswill Director
Leigh Quinn Bridesmaid Jasmine
Katrina Nare Charlotte
Matt Kaplan Producer
Marta Noguera Casting Associate
Michelle Harrison Editor
Katie Lovejoy Screenplay
Paul Lacoux Earnest Man
Anthony Warren Heathrow Taxi Driver
David Rubin Dr. Doyle
Colin Jones Casting
Joe Klotz Editor
Andromeda Godfrey Cate Sullivan
Sam Booth Reverend
Jennifer E. Smith Novel, Executive Producer
Fiona Albrow Set Decoration
Menelaos Pampoukidis Visual Effects Supervisor
Chris Foss Executive Producer
Luke Bryant Director of Photography
Aubrey Bendix Co-Producer
Francesca Massariol Production Design
Max Siemers Executive Producer
Alice Caronna First Assistant Director
Kirsty Halliday Costume Design
Jayda Eyles Young Hadley
Eddy Popplewell Special Effects Technician
Emily Cordell Teen Girl
George Keeler Flower Vendor
Philip A. Brown Art Direction
Paul Saunderson Original Music Composer
Arron Cuthbertson Extras Casting
Lisa Pemberton Makeup Department Head
Ione Brown Female Friend
Stephen Mullen Gaffer
Vivian Gwaspari Headphones Girl
Russell Jeffery Sound Mixer
Liam Saint-Pierre Second Unit Director
Matthew Janzen Executive Producer
Noel Corbally Second Assistant Director
Alex Outhwaite Sound Effects Editor
Onx Narang Gaffer
Alex Tawney Floor Runner
Stuart Truesdale Costume Supervisor
Jordan Frazier Gate Agent Jenny
Dasha Sherman Visual Effects Producer
Ed Trousseau Sound Re-Recording Mixer, Supervising Sound Editor
Buddy Powell Kid Oliver
Neil Valdez Camera Operator
Jasper Hawes Kid Luther
Carla Bartley Extras Casting
Sunil Patel Chain Mail Guest
Stephan Boyce Monty
Luke Goodrich First Assistant Director