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John Kavanagh
Known for: ActingJohn Kavanagh (born 1946, Dublin, Ireland) is an Irish character actor who was a member of the Abbey Theatre company for ten years (1967–1977) before going freelance. He has worked in over 20 films and numerous TV series since 1970. His film credits include Braveheart (1995), The Butcher Boy (1997), Dancing at Lughnasa (1998), Florence Foster Jenkins (2016), and The Last Duel (2021). On television he is best known for playing The Seer / Pope Leo IV in Vikings (2013–2020) and Vikings: Valhalla (2022–2024), and Cardinal Lorenzo Campeggio in The Tudors (2007–2008). He received a Drama Desk Award nomination (1989) for Juno and the Paycock. He is also a singer, having played the lead in the Irish stage production of Jacques Brel Is Alive and Well and Living in Paris in the 1970s. No other personal details are publicly confirmed.
Filmography 22
Alexander
+2
as Parmenion 
The Black Dahlia
+2
as Emmett Linscott 
In Secret
+11
as Inspector Michaud 
Florence Foster Jenkins
+3
as Arturo Toscanini 
Supervized
+5
as Windsor 
The Stag
+10
as Fionan and Little Kevin's Dad 
Baltimore
+6
as Sir Alfred Beit 
The Invisible Woman
+3
as Reverend Benham 
Father & Son
as John O'Connor 
Riverdance: The Animated Adventure
+5
as Gatekeeper (voice) 
Circle of Friends
as Brian Mahon 
Dancing at Lughnasa
+2
as Father Carlin 
The Butcher Boy
+2
as Dr. Boyd 
Pete's Meteor
+12
as Sergeant Maloney 
Some Mother's Son
+1
as Cardinal 
Into the West
+2
as Hartnett 
Widows' Peak
+9
as Canon Murtagh 
The Tiger's Tail
+4
as Harry 
Benedict Arnold: A Question of Honor
+1
as Judge Shippen 
Cal
as Skeffington 
The Halo Effect
as Stan