Brian Cutler reminds actors that while acting may seem complex, its essence is simple: know your lines, hit your mark, look your scene partner in the eye, and speak truthfully. Citing advice from legendary actor James Cagney and a story about Cillian Murphy, he underscores that these basics form the foundation of a successful performance. Though simple in theory, Cutler acknowledges that achieving this level of authenticity requires years of consistent practice and dedication.