Please don't. That's the British version of American Inventor for South Asians. You can't fight SJWs by actually being racist, real racism fuels them.
iZombie dude is some sort of Indian yes, and was great in iZombie but he was mostly comedy relief, no guarantee he can do the serious/epic side but no complaints from me.
Richard Ayoade is half Norwegien half Nigerian and the most British person to exist personality-wise. He is too well known and isn't strictly an actor, he's one of those people who has one good character and is the same in everything. If he had to act serious it would ruin his gimmick.