At the end of the day, actors complete the movie, They have placed themselves out there for you to see regardless of what role or dialog they were chosen for. Not all characters are created equal, and some don't even require an ounce of realism in them. With Fadview's Take 5 of Acting, you can rate actors with a balanced approach.
An actor's overall score is based on each character they've played.

1.
Acting - The actor's realism in their delivery. Did they evoke emotion in you?

2.
Performance - Their body's action or physical movements, the enthusiam, energy, and effort they present if realism seems absent. Action stars and comedians scores high here.

3.
Voice - How did they sound? Was their delivery and speech effective? Would you listen to them read from a book?

4.
Screen Presence - How long did you hold your gaze to them compared to the other actors? How appealing were they to you? How mesmerized were you to them?

5.
Characterization - How well did they connect with the character they were portraying? Did they become the character in your eyes?