Julian Barratt

Character: Richard Thorncroft

Simon Farnaby

Character: Clive Parnevik

Essie Davis

Character: Patricia Deville

Steve Coogan

Character: Peter Easterman

Richard McCabe

Character: Jeffrey Moncrief

Andrea Riseborough

Character: DC Elena Baines

Russell Tovey

Character: Paul Melly

Robin Morrissey

Character: PC Green

David Schofield

Character: Chief Inspector Derek Newsome

Alannah Olivia

Character: Casting Receptionist

Christopher Jenner Cole

Character: Richard Crowthorne

Sean Foley

Character: Kenneth Branagh's Producer

Jessye Romeo

Character: Agent's Secretary

Harriet Walter

Character: Richard's Agent

Simon Callow

Character: Himself

Nicholas Farrell

Character: Mayor

Jessica Barden

Character: Jasmine

Tony Way

Character: Dad with Newspaper

Lois Meleri-Jones

Character: Peter Easterman's PA

Jordan Long

Character: Vincent

Alex Duncan

Character: News Reporter

Neil Edmond

Character: Tannoy Man

Kenneth Branagh

Character: Himself

Alex Wyndham

Character: Jake