
Acting
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.

Blue Shark Hash
as Jonah

Reason for Living: The Jill Ireland Story
as Jill's father

Blind Date
as Artist

The Monster Squad
as Van Helsing

Antony and Cleopatra
as Rustic

Clash of the Titans
as Poseidon

Patton
as General Sir Harold Alexander

Cromwell
as General Byron

Battle of Britain
as Senior Air Staff Officer

The Bushbaby
as Ardsley

The World of Hammer
as Self (archive footage) · 2 ep.

Matt Houston
1 ep.

The Adams Chronicles
as Lord Carmarthen · 1 ep.

The Champions
as Carrington · 1 ep.

The Man in the Iron Mask
as Athos · 5 ep.

BBC Play of the Month
as Robert Lancaster · 1 ep.

Gideon's Way
as Commander Ripple · 1 ep.

The Wednesday Play
1 ep.

Sergeant Cork
as Sir Gervase Walworth · 1 ep.

The Saint
as Superintendent Marsh · 1 ep.
Clash of the Titans
1981