Barry McGovern

as Erskine Childers

as Art Ó Suilleabháin (6 episodes)

as Whale (Voice)

as Beckett (1 episode)

as Dr. James Whelan (6 episodes)

as Sandy Benson (2 episodes)

as Dr. Gabriel (1 episode)

as DuCoque

as Orlio (1 episode)

as Mr. O'Toole

as Cleary

as Narrator (voice) (26 episodes)

as Self

as Direktor Russell

as King Edmond

as William Martin Murphy

as The Commandant

as Patrick Ryan

as Dr. Golding

as Archbishop William Walsh (5 episodes)

as French Archbishop (1 episode)

as Dying Man (1 episode)

as Gary Janardi