"My Family" features several recurring characters. Series one features Daisy Donovan as Ben's dental assistant, Brigitte. In the second series "Stupid" Brian appears as Janey's boyfriend. Series four features Michael's girlfriend Fiona. That series also sees the introduction of Michael's friend Hubert and Susan's mother Grace Riggs, who both appear in subsequent series until series seven. A minor recurring character from the 2006 Christmas special to series seven is Denis, the local Vicar. In addition, Mr. Alexander Casey, the Harpers' neighbour, appears in three episodes, "Driving Miss Crazy" (2001), "Neighbour Wars" (2008), and "Mary Christmas" (2010)