Full cast of House of Guinness

Anthony Boyle

Arthur Guinness

8 episodes

Louis Partridge

Edward Guinness

8 episodes

Emily Fairn

Anne Guinness

8 episodes

Fionn O'Shea

Benjamin Guinness

8 episodes

James Norton

Sean Rafferty

8 episodes

Niamh McCormack

Ellen Cochrane

8 episodes

Seamus O'Hara

Patrick Cochrane

8 episodes

Jack Gleeson

Byron Hughes

8 episodes

Dervla Kirwan

Agnes Guinness

8 episodes

Michael McElhatton

John Potter

8 episodes

Danielle Galligan

Lady Olivia Hedges

8 episodes

David Wilmot

Bonnie Champion

8 episodes

Hilda Fay

Sultan

8 episodes

Jessica Reynolds

Lady Christine O'Madden

6 episodes

Ann Skelly

Adelaide 'Dodo' Guinness

5 episodes

Cassian Bilton

Michael

1 episode