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.
Cast
- Douglas Barr
- Ivor Bowyer
- Angela Glynne
- Angela Fouldes
- David Hannaford
- John Longden
- Carole Ann Ford
- Howard Lang as Senior Police Officer (uncredited)