Harold Frank Bennett (17 November 1898[1] – 11 September 1981) was an English actor, active in stage, television and film best remembered for being in sitcoms written and produced by David Croft, having played 'Young Mr. Grace' in the 1970s British sitcom Are You Being Served?, as well as minor character Sidney Bluett in Dad's Army.

After leaving school at the age of twelve, in his early life he toured America as a clown with a circus, and later taught English at the Working Men's College in London.

After the war he took up acting and eventually worked as stage producer in the Tower Theatre, London.

He played the recurring character Mr (Sidney) Bluett in Dad's Army from 1969 to 1977, but it was as Young Mr Grace, the ancient, amiably callous owner of Grace Brothers department store in British sitcom Are You Being Served?

Bennett also played the role of the aged Archdeacon Pulteney in The Stalls of Barchester, the BBC A Ghost Story for Christmas broadcast 24 December 1971 and adapted from the M.R.