Dennis

Simon Pegg

Acting

Libby

Thandiwe Newton

Acting

Whit

Hank Azaria

Acting

Gordon

Dylan Moran

Acting

Mr. Goshdashtidar

Harish Patel

Acting

Maya Goshdashtidar

India de Beaufort

Acting

Jake

Matthew Fenton

Acting

Vincent

Simon Day

Acting

Claudine

Ruth Sheen

Acting

Mickey

Nevan Finegan

Acting

Grover

Tyrone Huggins

Acting

News Reporter

Iddo Goldberg

Acting

Taxi Driver

Ameet Chana

Acting

Himself

Chris Hollins

Acting

Herself

Denis Lewis

Acting

Nurse

Sutara Gayle

Acting

Drag Queen

Gabriel Fleary

Acting

Claire

Pandora Colin

Acting

Man with Broken Leg

Stephen Merchant

Acting

Man in Bakery

David Walliams

Acting

Older Woman

Hazel Douglas

Acting

Receptionist

Anna Tolputt

Acting

Undercover Cop / Dad

Simon Lenagan

Acting

Marathon Official

David Cann

Acting

Doctor

T.R. Bowen

Writing

Libby's Grandmother

Margaret John

Acting

Libby's Mum

Floella Benjamin

Acting

Libby's Dad

David Milner

Production

Reception Nurse

Henrietta Clemett

Acting

TV Commentator

Peter Serafinowicz

Acting

Boating Boy (uncredited)

Preston Nyman

Acting

Spectator (uncredited)

Rene Costa

Acting