There is no evidence over the net to accually answer with a absolute certainty.
If he is, then he is, if he isnt, then he isnt.
He is still alive
Stacey keach Stacy Keach
The rugged leading man and character actor found his calling on TV as the lead in "Mickey Spillane's Mike Hammer" in the '80s. Series production was interrupted briefly while Keach served jail time in a British prison on a drug charge.
He played "motorcycle cop".
Actor
she is an American model, actor, and a former professional wrestler
James Stacy, a former US soldier and actor, passed away on September 9, 2016.
nope he is dating actress Stacy Stas
Harrison Ford
Stacy Keach is an American actor and narrator. Stacey Jones is a famous Rugby League World Cup player in New Zealand. Stacey Schuett is a famous children's book author and illustrator. Several other authors incluse Stacey Richter, Stacey Ballis and Stacey Klemstein. Stacey London, fashion expert, TV's What Not To Wear
After contacting Sir David Jason's agents, I can confirm that there is absolutely no truth in these rumours. Mr Jason has not been baptized as a Witness, and is not a Witness.Plus, I have contacted London Bethel, the UK headquarters of Witnesses and they confirm that there were no baptisms on Sunday at Plymouth, the rumoured location of his baptism. This is an urban myth.Sir David Jason, the English actor, no. Another person by the same name, probably.
There is no widely known actor named James Keatch. It is possible that you may be referring to a lesser-known actor or a fictional character. Without further context or information, it is difficult to provide a definitive answer to your question.