Casting (16)
Anthony Boyle
Arthur Guinness
Louis Partridge
Edward Guinness
Emily Fairn
Anne Guinness
Fionn O'Shea
Benjamin Guinness
James Norton
Sean Rafferty
Niamh McCormack
Ellen Cochrane
Seamus O'Hara
Patrick Cochrane
Jack Gleeson
Byron Hughes
Dervla Kirwan
Agnes Guinness
Michael McElhatton
John Potter
Danielle Galligan
Lady Olivia Hedges
David Wilmot
Bonnie Champion
Hilda Fay
Sultan
Jessica Reynolds
Lady Christine O'Madden
Ann Skelly
Adelaide 'Dodo' Guinness
Cassian Bilton
Michael