Some say only the voice of Omar (ra) will be heard and his face will not be shown. I hope this is true.
You can now watch the series with English Subtitle here:
Scholars have declared these episodes as haraam. Plenty of Arab scholars gave a fatwa against it.
And if he were to ask for a gentle lady in marriage, he would be refused, and when he leaves the world it does not miss him, and if he goes out, his going out is not noticed, and if he falls sick, he is not attended to, and if he dies, he is not accompanied to his grave.
Everytime you think of Umar RA you will get the actors face in your imagination.