
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.

A Hard Day's Night
1964 · as Police Inspector

Carry On Doctor
1967 · as Mr. Hardcastle

One of Our Dinosaurs Is Missing
1975 · as Harris

The Wrong Arm of the Law
1963 · as Police Constable at Scotland Yard (uncredited)

No Sex Please - We're British
1973 · as Park Keeper

The Fast Lady
1962 · as Dr. Blake

Please Sir!
1971 · as Norman Potter

A Day to Remember
1953 · as Angry Man in Ferry Queue

Mad About Men
1954 · as Editor

The Big Job
1965 · as Police Sergeant

Nurse on Wheels
1963 · as Driving Examiner

The Plank
1979 · as Milkman

It's Trad, Dad!
1962 · as Narrator

Stainless Steel and the Star Spies
1981 · as Vicar

Paul McCartney & Wings: The Bruce McMouse Show
1972 · as Bruce McMouse (voice)

Aladdin
1974 · as Sergeant Ying Tong

Barry McKenzie Holds His Own
1974 · as Police Constable

Just for You
1964 · as (voice)