Art Carney

as Narrator / Blarney Kilakilarney (voice)

Peggy Cass

as Faye (voice)

Bob McFadden

as Lord of the Leprechauns (voice)

Ken Jennings

as Dinty Doyle / Father Leprechaun (voice)

Gerry Matthews

as (voice)

Christine Mitchell

as Old Mag

Glynis Bieg

as Girl (voice)

Frankie Moronski

as Boy (voice)

Aidan Nicolle

as (voice) (uncredited)