The news was announced by The Anglophile Channel, a Los Angeles production company with which he collaborated.
No cause of death was cited; Monteith was 80.
He also appeared onThe Love Boat,Hollywood SquaresandNew Love, American Style.
Kelly Monteith performs on The Tonight Show, April 11, 1979Getty Images
In 1983, he took part in the Royal Variety Performance, performing for Queen Elizabeth II.
The latter was a look back his groundbreaking BBC series.
One of the benchmarks.
For those of us of a certain generation, Kelly was the guy.
We miss you so much, Kelly.
We will always love you.
Rest In Peace.#KellyMonteithpic.twitter.com/wSs2wurvLp
Sad news about Kelly Monteith.
Funny, personable & (like Dave Allen) way ahead of his time.
He heard about it, got in contact and thanked me.
