Liam Neeson

as Narrator (voice)

Joey Dunlop

as Self - Road Racer (archive footage)

Robert Dunlop

as Self - Road Racer (archive footage)

Michael Dunlop

as Self - Robert Dunlop's Youngest Son

William Dunlop

as Self - Robert Dunlop's Eldest Son

Liam Beckett

as Self - Dunlop Family Friend

John McGuinness

as Self - Road Racer

Stephen Davidson

as Self - Road Racing Writer & Photographer