Brian George Wilde (13 June 1927 – 20 March 2008) was an English actor best known for his roles in television comedy, most notably Mr Barrowclough in Porridge and Walter "Foggy" Dewhurst in Last of the Summer Wine.

Wilde also played Detective Superintendent Halcro in a series of two-part thrillers about undercover Scotland Yard officers, The Men from Room Thirteen (BBC, 1959–61).

He had minor roles in films such as Life for Ruth (1962), The Bargee (1964), The Jokers (1967) and Carry On Doctor (1967), and on television in Room at the Bottom (1966–67) as Mr Salisbury.

Also in 1971, in the television drama Elizabeth R, Wilde played the efficient, merciless 'rackmaster' Richard Topcliffe, who was charged with the torture of prisoners in the Tower of London.

Wilde gained and established another role in 1976, when he took over from Michael Bates as the third member of a trio of old men in the BBC sitcom Last of the Summer Wine.

The character, Walter "Foggy" Dewhurst, was a determined ex-army man who planned the group's misadventures with military precision and a painstaking eye for detail.

In 1978, Wilde voiced the public information film series Play Safe, highlighting the dangers of overhead power lines to children.