Lucan

Rory Kinnear

Lord Lucan

Catherine McCormack

Lady Lucan

Christopher Eccleston

John Aspinall

Jane Lapotaire

Susie Maxwell-Scott

Gemma Jones

Dowager Countess of Lucan

Paul Freeman

John Pearson

Rupert Evans

Dominick Elwes

Annabel Mullion

Annabel Birley

Andrew Woodall

Bill Shand-Kydd

Claudia Harrison

Christine Shand-Kydd

Alan Cox

Ian Maxwell-Scott

Alistair Petrie

Jimmy Goldsmith

Rufus Wright

Younger John Burke

Helen Bradbury

Younger Susie Maxwell-Scott

Leanne Best

Sandra Rivett

Michael Gambon

John Burke

Ann Bell

Lady Osborne

Anna Walton

Jane Aspinall

Olivia Llewellyn

Kiki

Ruth McCabe

Nanny Roberts

Matthew Flynn

Chief Superintendent Rogers

Aleksandar Mikic

Ulrich

Stuart Organ

Judge

Alexander Campbell

PC Beddick

Cavan Clerkin

DCI David Gerring

Michael Marcus

James Fox

Lydia Leonard

Melissa

Michael Müller

Dr. Flood