The Boy Who Turned Yellow

John and his class visit the Tower of London, where he loses his pet mouse. He falls asleep during a lesson on electricity, but with some help, he learns about it, invades the Tower, and saves his pet.

• Michael PowellDirector
• Emeric PressburgerScreenplay

• Mark DightamJohn
• Robert EddisonNick
• Helen WeirMrs Saunders
• Brian WorthMr Saunders
• Esmond KnightDoctor
• Laurence CarterSchoolteacher
• Patrick McAlinneySupreme Beefeater
• Lem DobbsMunro
• Nigel RathboneSchoolboy (uncredited)