The term that would best refer to the ability of a performer to bring the character he/she portrays to life is called the "characterisation." Furthermore, characterization is the process of representing the character that is currently portrayed in some works of dramatic narratives and other literature.
Hello!!
I had this exact question on a test at my school so I know that having to remember what everything is called is difficult sometimes.
Your answer would be Retrograde.
I hope that this helps!!