Captain Peacock?
Frank Thornton played Captain Peacock in Are You Being Served and Truly in LOSW. John Challis played Captain Peacock in the 2016 remake of Are You Being Served and also played Jeremy in LOSW episode Is Jeremy Quite Safe.
Lizzy Goulding and Anita Carey both played Pat in I didn't know you Cared . Lizzy was Josie in Cheering up Gordon and Going to Gordon's wedding . Anita was Lionel's wife Mavis in Spores.
last try...
Vera Parkinson from Oh No It's Selwyn Froggitt played by Rosemary Martin and Lynda Baron, Mrs Partridge and Lilly Bless Her in LOSW