After a lock-keeper entrusts his daughter to a canal Casanova, he is shocked to learn that she is pregnant. He then refuses to open his locks - causing barges to pile up in every direction until the guilty party confesses.
Harry H. Corbett
Hemel Pike
Hugh Griffith
Joe Turnbull
Eric Sykes
The Mariner
Ronnie Barker
Ronnie
Julia Foster
Christine Turnbull
Miriam Karlin
Nellie Marsh
Eric Barker
Mr Parkes, the Foreman
Derek Nimmo
Dr. Scott
