From Wikipedia, the free encyclopedia John Alderton (born 27 November 1940) is an English actor who is best known for his roles in Upstairs, Downstairs, Thomas & Sarah and Please Sir!. Alderton has often starred alongside his wife, Pauline Collins. Description above from the Wikipedia article John Alderton, licensed under CC-BY-SA, full list of contributors on Wikipedia.
| Series | Little Dorrit | Mr. Casby | 2008-10-26 |
| Movie | Brandmand Sam - I En God Sags Tjeneste | Fireman Sam | 2006-07-04 |
| Series | He Knew He Was Right | Mr. Outhouse | 2004-04-18 |
| Movie | Calendar Girls | John Clarke | 2003-09-02 |
| Movie | Mrs Caldicot's Cabbage War | Hawksmor | 2003-01-30 |
| Series | Dalziel & Pascoe | Sgt Ted Lock | 1996-03-16 |
| Series | Albert The Fifth Musketeer | 1995-03-03 | |
| Movie | Clockwork Mice | Swaney | 1995-06-22 |
| Series | Heartbeat | Unknown | 1992-04-10 |
| Movie | Keeping Tom Nice | Doug | 1990-08-15 |
| Series | Forever Green | 1989-02-26 | |
| Movie | Mr. H Is Late | 1988-02-15 | |
| Series | ITV Christmas Comedy | 1983-04-23 | |
| Series | Father's Day | 1983-04-17 | |
| Movie | A Walk in the Forest | Paul Clements | 1980-05-14 |
| Series | Thomas & Sarah | 1979-01-14 | |
| Series | Tales of the Unexpected | Unknown | 1979-03-24 |
| Series | The Upchat Line | Mike Upchat | 1977-09-26 |
| Movie | It Shouldn't Happen to a Vet | James Herriot | 1976-11-18 |
| Movie | Zardoz | Friend | 1974-02-06 |
| Series | Wodehouse Playhouse | 1974-07-09 | |
| Series | No, Honestly | 1974-10-04 | |
| Series | My Wife Next Door | 1972-09-19 | |
| Movie | Please Sir! | Bernard Hedges | 1971-05-01 |
| Movie | The Rivals | Bob Acres | 1970-05-17 |
| Movie | Hannibal Brooks | Bernard | 1969-01-18 |
| Movie | Duffy | Antony Calvert | 1968-09-16 |
| Movie | Assignment K | George Innes | 1968-02-16 |
| Series | Please Sir! | Bernard Hedges | 1968-11-08 |
| Movie | The System | Nidge | 1964-04-12 |
| Movie | Cleopatra | 1st Officer (uncredited) | 1963-06-12 |
| Series | Emergency: Ward 10 | 1957-02-19 |