Not including Williams' stand up career (which was brilliant), both him and Sandler actually are considerably better as dramatic actors. Most of the comedy films they were involved in have rightfully been considered crap.
Not a popular opinion, but Carrey is different in that I think he has mostly been a better comedic actor. Most of those comedies he's in also aren't very good, but he's good in them. At least the early ones. I personally have mostly found his dramatic work to be at best adequate. I don't know if I've ever actually been knocked out by any of his acting in those movies. He still mugs. It's just a quieter, less effective, kind of mugging
Not a popular opinion, but Carrey is different in that I think he has mostly been a better comedic actor. Most of those comedies he's in also aren't very good, but he's good in them. At least the early ones. I personally have mostly found his dramatic work to be at best adequate. I don't know if I've ever actually been knocked out by any of his acting in those movies. He still mugs. It's just a quieter, less effective, kind of mugging
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