A science-fiction film about children who manage to split the atom and thereby create a new form of popcorn.
Christopher Beeny
Horatio Flynn
Ernest Scott
Ernest Rutheford Chappell
Patrick Wells
Hans 'Einstein' Blotz
Ian Smith
Tom Chizzler
Anneke Wills
Alice Nightingale
Wendy Westcott
Mary Huxley
Peter Sallis
Bill - grocery merchant
