Yes...but what you have to do depends on the make of DVD player.
Google "DVD hacks" and you'll find sites with instructions to re-code your particular player.
Your other option is to play it on your laptop / computer- record it with something like OBS, then convert it and burn it- bit long *** but works and is free :)
I decided in this instance to take the easy way out. I changed the region on my laptop, connected it to my TV with HTML lead and can now watch the rogue DVD`s on the TV.
But thanks everyone for your input.