Guyler was born in Wallasey on the Wirral Peninsula, Cheshire, and brought up on the other side of the River Mersey in Liverpool, Lancashire, where his father was a jeweller. He attended Liverpool College and originally planned a career in the church. During the Second World War he was called up and joined the RAF Police but was later invalided from service, whereupon he joined Entertainments National Service Association (ENSA) and then (on 4 May 1942) the BBC's Drama and Repertory company in Manchester.
TBABest Of Enemies (7 Episodes) as Unknown
1982Fred (8 Episodes) as Narrator
1981Stainless Steel and the Star Spies as Vicar
1979The Plank as Milkman
1979Fred Dibnah, Steeplejack as Narrator (voice)
1979Tales of the Unexpected (1 Episode) as Commissionaire
1975One of Our Dinosaurs Is Missing as Harris
1974Aladdin as Sergeant Ying Tong
1974Barry McKenzie Holds His Own as Police Constable
1973No Sex Please: We're British as Park Keeper
1972Sykes (68 Episodes) as PC Corky Turnbull
1972Paul McCartney & Wings: The Bruce McMouse Show as Bruce McMouse (voice)
1971Please Sir! as Norman Potter
1969Two off the Cuff as Unknown
1969Look at Life: Saturday Special as Self - Commentator
1968Please Sir! (62 Episodes) as Norman Potter
1968The Magnificent Six and ½: Peewee's Pianola as Traffic Warden
1967Carry On Doctor as Mr. Hardcastle
1966All Square (14 Episodes) as Unknown
1966Adam Adamant Lives! (1 Episode) as Unknown
1965The Big Job as Police Sergeant
1964A Hard Day's Night as Police Inspector
1964Smokescreen as Station Master
1963That's My Boy! (7 Episodes) as Unknown
1963The Dick Emery Show (161 Episodes) as Unknown
1963The Wrong Arm of the Law as Police Constable at Scotland Yard (uncredited)
1963Nurse on Wheels as Driving Examiner
1962The Fast Lady as Dr Blake
1962It's Trad, Dad! as Narrator
1961It's a Square World (56 Episodes) as Unknown
1960Sykes and a... (67 Episodes) as Unknown
1959No Hiding Place (1 Episode) as Unknown
1959Look at Life (1 Episode) as Narrator
1955Snowdrift at Bleath Gill as Himself - Narrator
1955The Sooty Show (3 Episodes) as Self
1954Mad About Men as Editor
1953A Day to Remember as Angry Man in Ferry Queue
1946The Shop at Sly Corner as John Elliot