Mark Gatiss

Various Characters

Steve Pemberton

Various Characters

Reece Shearsmith

Various Characters

Michael Sheen

Jeremy

Danielle Tilley

Dahlia

Bruno Langley

Damon

Alan Morrissey

Johnny

Liana O'Cleirigh

Claire

Philip O'Sullivan

Vicar

Jeff Mirza

Asian Dad

Angel Coulby

Receptionist

Lucy Miller

Minnie

Liam Cunningham

Director

Emily Woof

Lindsay

Bernard Hill

King William III

Victoria Wood

Queen Mary II

David Warner

Dr. Erasmus Pea

Peter Kay

Simon Pig

Simon Pegg

Peter Cow

Kate O'Toole

Casting Director

Tito Long

Joel

Jack Long

Billy

Mark Doherty

Liveried Servant

David Ryall

Tom Tit

Kevin Maher

Little Boy

Mary O'Driscoll

Nurse One

Melanie Clark Pullen

Nurse Two

Sean Murphy

Reece Shearsmith Double

Jeffrey Love

Mark Gatiss Double

Enda Kilroy

Steve Pemberton Double

Paul Hays-Marshall

Barbara Dixon (Uncredited)

Rachel Rath

Homunculus (Uncredited)

Jeremy Dyson

Hospital orderly (uncredited)