Clark Gable
— Charles Stewart Parnell
Myrna Loy
— Katie O'Shea
Edna May Oliver
— Aunt Ben Wood
Edmund Gwenn
— Henry Campbell
Alan Marshal
— Captain William 'Willie' O'Shea
Donald Crisp
— Michael Davitt
Billie Burke
— Clara Wood
Berton Churchill
— The O'Gorman Mahon
Donald Meek
— Nicholas Daniel Murphy
Montagu Love
— William Ewart Gladstone
Byron Russell
— Timothy Michael Healy
Brandon Tynan
— John Edward Redmond
Phyllis Coghlan
— Ellen
Neil Fitzgerald
— Richard Pigott
George Zucco
— Sir Charles Arthur Russell
J. Farrell MacDonald
— Irish Laborer (uncredited)
Eily Malyon
— Irish Woman with Dead Child (uncredited)
Robert Adair
— Officer
Erville Alderson
— Father
King Baggot
— Man in Office
Frank Baker
— George Davis
Marion Ballou
James Blaine
— Irishman
Wade Boteler
— Irish Cop
Tyrone Brereton
— House of Commons Member
Randolph Churchill
Wallis Clark
— Doctor
D'Arcy Corrigan
— Irish Party Committeeman
George Cowl
Jules Cowles
— Man in Office