"I've worked with some actors who can't act"

In this quote, Anthony Anderson is revealing his experience of dealing with particular stars who lack the capability to act. He is indicating that despite remaining in the acting market, some individuals do not possess the necessary abilities or talent to successfully represent a character. This might be viewed as a criticism towards those actors who might have been cast in roles exclusively based on their popularity or connections rather than their acting abilities. Anderson's declaration likewise highlights the significance of real acting talent and the effort and commitment that enters into sharpening one's craft.