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.
A Man for All Seasons
(Chief Justice)
Clash of the Titans
(Poseidon)
Patton
(General Sir Harold Alexander)
Jason and the Argonauts
(King Aeetes)
Cromwell
(General Byron)
Circus of Horrors
(Supt. Andrews)
In Search of the Castaways
(Captain Grant)
The One That Got Away
(Commandant, Grizedale)
The Curse of the Mummy's Tomb
(Sir Giles Dalrymple)
The Battle of the River Plate
(Captain Parry - H.M.N. Z. S. Achilles)
Sink the Bismarck!
(Captain Wilfrid Patterson - 'King George V')
Sword of Sherwood Forest
(Archbishop Hubert Walter)
The Bushbaby
(Ardsley)
Antony and Cleopatra
(Rustic)
Battle of Britain
(Senior Air Staff Officer)
Reason for Living: The Jill Ireland Story
(Jill's father)
Blue Shark Hash
(Jonah)
Blind Date
(Artist)
The Rivals
Number Ten
(Admiral Sir Guy Lawrence)
Sentenced for Life
(John Richards)
Kiss the Girls and Make Them Die
(British ambassador)
Lawrence of Arabia
(Club Secretary)
Let's Get Married
The Monster Squad
(Van Helsing)
North West Frontier
(Brig. Ames)
Thunderball
(Senior RAF Staff Officer (uncredited))
Casino Royale
(British Officer at Auction)
Heart to Heart
(Controller of Programmes)
Sammy Going South
(District Commissioner)
Solomon and Sheba
(Josiah)
The Inspector
(Inspector Cobb)
Gideon's Way
(Commander Ripple)
The Avengers
(Sir David Harper)
The Scales of Justice
(Mr. Jepp)
The Saint
(Major Carter)
The Champions
(Carrington)
The Wednesday Play
Matt Houston
The Saint
(Superintendent Marsh)
A for Andromeda
(Air Commodore Watling)