Overview

David and Monty are two friends of Susan and Betty Potter whose father runs a fleet of lorries. One by one, his lorries are involved in accidents and sabotage is suspected. The children are determined to find the culprits.

Top Cast

D

Douglas Barr

I

Ivor Bowyer

A

Angela Glynne

A

Angela Fouldes

D

David Hannaford

John Longden

Carole Ann Ford

H

Howard Lang

Senior Police Officer (uncredited)