The Boy from Mercury

Rita Tushingham

May Cronin

Tom Courtenay

Uncle Tony Cronin

Hugh O'Conor

Paul

James Hickey

Harry Cronin

Ian McElhinney

Brother Dowdall

Kevin James

James "Mucker" Maguire

Gerard Cannon

Classroom Schoolboy

Johnny Ward

Classroom Schoolboy

Joanne Gerrard

Sarah

Sean Flanagan

Sean McCarthy

Liam Heffernan

Usher

Rachel Martin

Ice Cream Girl

Buster Crabbe

Flash Gordon (Archive Footage)

Charles Middleton

Ming the Merciless (Archive Footage)

Van Johnson

Game Show Contestant (Archive Footage)