Oliver Reeder

Chris Addison

Malcolm Tucker

Peter Capaldi

Glenn Cullen

James Smith

Terri Coverley

Joanna Scanlan

Nicola Murray

Rebecca Front

Hugh Abbot

Chris Langham

Doug Hayes

Pearce Quigley

Marianne Swift

Zoe Telford

Robyn Murdoch

Polly Kemp

Julius Nicholson / Lord Nicholson

Alex Macqueen

Geoffrey

Peter Sullivan

Ed

Rory Kinnear

Guest Star

Miles Jupp

Guest Star

Richard Bacon

Steve Fleming

David Haig

Peter Mannion

Roger Allam

Stewart Pearson

Vincent Franklin

Angela Heaney

Lucinda Raikes

Guest Star

Melanie Hill

John

Alex Lowe

Emma Messinger

Olivia Poulet

Permanent Secretary

Simon Chandler

Phil Smith

Will Smith

Guest Star

Justin Edwards

Dan Miller

Tony Gardner

Guest Star

Bo Poraj

Pat

Struan Rodger

Helen Hatley

Rebecca Gethings

Adam Kenyon

Ben Willbond

Fergus Williams

Geoffrey Streatfeild

Frankie

Graeme Mearns