Brennan, Seamus (I) Abbey CareerActor during: 1968 - 1970 Abbey Production Involvement RoleCharacterProduction Actor Mourners, parishioners, etc. The Last Eleven 1968 (Abbey) Actor Other Roles Borstal Boy 1968 (Abbey) Actor Peasants/Soldiers/Constabulary The Shaughraun 1968 (Abbey) Actor Others Spreading The News 1968 (Abbey) Actor First Policeman Famine 1968 (Abbey) Actor Warders Borstal Boy 1968 (Abbey) Actor Crowd, Dancers, etc. Happy as Larry 1968 (Abbey) Actor A Sentry The General's Watch 1968 (Abbey) Actor Crowd The Playboy of the Western World 1968 (Abbey) Actor Crowd The Playboy of the Western World 1968 (Abbey) Actor Post Office Clerk The Cherry Orchard 1968 (Abbey) Actor Crowd The Playboy of the Western World 1968 (Abbey) Actor Second Policeman Famine 1968 (Peacock) Actor Other Clansmen The O'Neill 1969 (Peacock) Actor Brennus The Plebians Rehearse The Uprising 1970 (Peacock) Actor David Tressel Griggs In the Matter of J. Robert Oppenheimer 1970 (Peacock)