The Boy from Mercury
Diễn viên
Hugh O'Conor
Paul
Charles Middleton
Ming the Merciless (Archive Footage)
Tom Courtenay
Uncle Tony Cronin
Ian McElhinney
Brother Dowdall
Sean Flanagan
Sean McCarthy
Buster Crabbe
Flash Gordon (Archive Footage)
Van Johnson
Game Show Contestant (Archive Footage)
Rita Tushingham
May Cronin
Johnny Ward
Classroom Schoolboy