Jack William Frederick Gwillim (15 December 1909 - 2 July 2001) was a prolific English character actor. Description above from the Wikipedia article Jack Gwillim, licensed under CC-BY-SA, full list of contributors on Wikipedia.

KNOWN FOR

The Avengers
1967
BBC Play of the Month
1968
The Saint
1966
Matt Houston
1985
The Champions
1969
The Adams Chronicles
1976
Drama 61-67
1961
Lawrence of Arabia
1962
Gideon's Way
1965
Sergeant Cork
1963
The World of Hammer
1994
Thunderball
1965

FILMOGRAPHY

All
Movies
TV
Acting
50
2000
Blue Shark Hash
as Jonah
1994
The World of Hammer
as Self (archive footage)
1991
Reason for Living: The Jill Ireland Story
as Jill's father
1987
Blind Date
as Artist
1987
The Monster Squad
as Van Helsing
1985
Matt Houston
1983
Antony and Cleopatra
as Rustic
1981
Clash of the Titans
as Poseidon
1976
The Adams Chronicles
as Lord Carmarthen
1970
Patton
as General Sir Harold Alexander
1970
Cromwell
as General Byron
1969
The Bushbaby
as Ardsley
1969
Battle of Britain
as Senior Air Staff Officer
1969
The Champions
as Carrington
1968
Number Ten
as Admiral Sir Guy Lawrence
1968
BBC Play of the Month
as Robert Lancaster
1968
The Man in the Iron Mask
as Athos
1967
Casino Royale
as British Officer at Auction (uncredited)
1967
The Avengers
as Sir David Harper
1966
A Man for All Seasons
as Chief Justice
1966
Kiss the Girls and Make Them Die
as British ambassador
1966
The Saint
as Major Carter
1965
Thunderball
as Senior RAF Staff Officer
1965
Thunderball
as Senior RAF Staff Officer (uncredited)
1965
Gideon's Way
as Commander Ripple
1964
The Curse of the Mummy's Tomb
as Sir Giles Dalrymple
1963
Jason and the Argonauts
as Aeëtes
1963
The Rivals
as Rolf Nelson
1963
Sammy Going South
as District Commissioner
1963
The World Ten Times Over
as Bolton
1963
Sergeant Cork
as Sir Gervase Walworth
1962
In Search of the Castaways
as Captain Grant
1962
Lawrence of Arabia
as Club Secretary
1962
The Inspector
as Inspector Cobb
1962
Heart to Heart
as Controller of Programmes
1962
The Guilty Party
as Mr. Jepp
1962
The Scales of Justice
as Mr. Jepp
1962
The Saint
as Superintendent Marsh
1961
No Love for Johnnie
as MP (uncredited)
1961
Drama 61-67
as Rupert Eynsham
1960
Circus of Horrors
as Supt. Andrews
1960
Sink the Bismarck!
as Captain Wilfrid Patterson - 'King George V'
1960
Sword of Sherwood Forest
as Archbishop Hubert Walter
1960
Sentenced for Life
as John Richards
1960
Let's Get Married
as Dr. Sanders
1959
North West Frontier
as Brigadier Ames
1959
Solomon and Sheba
as Josiah
1957
The One That Got Away
as Commandant, Grizedale
1956
The Battle of the River Plate
as Captain Parry - H.M.N. Z. S. Achilles
1954
Stranger from Venus
as Representative of Parliament (uncredited)