Evan McGuire

Brendan (voice)

Christen Mooney

Aisling (voice)

Brendan Gleeson

Abbot Cellach (voice)

Mick Lally

Aidan (voice)

Liam Hourican

Brother Tang / Leonardo (voice)

Paul Tylak

Brother Assoua (voice)

Paul Young

Brother Square (voice)

Nora Twomey

Additional Voices and Walla (voice)

Sean Ono Lennon

Additional Voices and Walla (voice)

James William O'Halloran

Additional Voices and Walla (voice)