Old Bill has grumbled his way through the trenches of the First World War. Now it is the Second and, envious of his son, Young Bill, he decides to enlist. He finally enters the Pioneer Corps, which is based near his son. When Young Bill goes missing during a raid, Old Bill shows that there's still life in the old dog yet!
Morland Graham
as Old Bill
John Mills
as Young Bill
Mary Clare
as Maggie
Renée Houston
as Stella Malloy
Rène Ray
as Sally
Gus McNaughton
as Alf
Ronald Shiner
as Bert
Manning Whiley
as Chimp
Janine Darcey
as Françoise
Roland Culver
as Colonel
Donald Stuart
as Canuck
Nicholas Phipps
as BBC Reporter
