Himesh Patel
Jack Malik

Lily James
Ellie Appleton

Sophia Di Martino
Carol

Ellise Chappell
Lucy

Meera Syal
Sheila Malik

Harry Michell
Nick

Vincent Franklin
Brian

Joel Fry
Rocky

Michael Kiwanuka
Michael Kiwanuka

Karma Sood
Young Jack

Gus Brown
Marcus the Dentist

Sanjeev Bhaskar
Jed Malik

Karl Theobald
Terry

Alexander Arnold
Gavin

Dominic Coleman
Ipswich TV Host

Ed Sheeran
Ed Sheeran

Maryana Spivak
Alexa (Russian Stage Manager)

Justin Edwards
Leo (Russian Stranger)

Kate McKinnon
Debra Hammer

Javone Prince
Hans (Music Producer)

Camilla Rutherford
Hilary

Sarah Lancashire
Liz (Liverpool Stranger)

Lamorne Morris
Head of Marketing

Craig Rowin
Marketing Executive

James Corden
James Corden

Cristina Dohmen
Local Newscaster

Elizabeth Berrington
Hazel

Díana Bermudez
Interviewer

Sunny Yeo
Interviewer

Richie Seivwright
Trombone (Brass Band)

Robert Carlyle
John Lennon (uncredited)

David Lautman
Ringo Starr (uncredited)

K.C. Wolf
Paul McCartney (uncredited)

Hiten Patel
Security Guard (uncredited)

Saul Shlosberg
Latitude Festival Goer (uncredited)