Here's a list of some of his other notable film and television projects:
Films:
* Chariots of Fire (1981)
* The French Lieutenant's Woman (1981)
* The Scarlet Pimpernel (1982)
* The Bounty (1984)
* The Jewel of the Nile (1985)
* Lady Jane (1986)
* The Lair of the White Worm (1988)
* The Secret of the Sahara (1990)
* The Lost City of Z (2016)
Television:
* The Duchess of Duke Street (1976-1979)
* The Scarlet Pimpernel (1982, TV miniseries)
* The Adventures of Sherlock Holmes (1984, TV series)
* The Borgias (2011, TV series)
* Call the Midwife (2013, TV series)
He has also starred in various theatrical productions.
It's important to note that this is not an exhaustive list. Nicholas Clay has appeared in a number of other projects over his career.