Complex sentence: He seamlessly becomes his character and so smooth is the transition that you forget the effort that must have gone into itcinematography and film score that "maintain a tensed mood as the intriguing hide-and-seek between the protagonist and antagonist plays out".
Split into simpler sentences: He seamlessly becomes his character and so smooth is the transition that you forget the effort that must have gone into it. Cinematography and film score that "maintain a tensed mood as the intriguing hide-and-seek between the protagonist and antagonist plays out".