First broadcast 1st January 1972.<br /><br />The headmaster's "Clean Up Fenn Street" campaign is in full swing.<br /><br />Deryck Guyler - Norman Potter<br />Noel Howlett - Mr. Cromwell<br />Joan Sanderson - Doris Ewell<br />Richard Davies - Mr. Price<br />Erik Chitty - Mr. Smith<br />Vivienne Martin - Miss Petting<br />Bernard Holley - Mr. Hurst<br />Barry McCarthy - Terry Stringer<br />Charles Bolton - Godber<br />Billy Hamon - Des<br />Rosemary Faith - Daisy<br />Drina Pavlovic - Celia
