Peter Hayden

as Dr. Sumpton

as Michael Connoly

as Jack

as Graham Hewson

as Nick

as Algy

as Creative Guru

as Clippy Hedges

as Dr. Frederick Treves

as Self

as Rock

as Pete London

as Mick's Dad

as Jack O’Lantern (voice)

as Roger

as Hershey

as Darryl

as Sir Keith Murphy

as Captain Gordon