Andy Serkis says there is not difference between conventional action and working with motion capture.
Serkis shot to fame playing and voicing the character of Gollum in the Lord of the Rings trilogy - a motion capture created character.
He returns to that form of acting this week with his new movie The Rise of the Planet of the Apes, in which he plays Caesar.
Speaking to the Daily Telegraph the actor said: "I am a bit evangelical, I know, but performance-capture is still misunderstood.
"Ten years down the line, people say, 'Oh, so you did the voice of Gollum?' Or people go, 'You did the movements for Kong?' It's frustrating, because I play Gollum and I play Kong. It is acting."
"There's no distinction between how I play Ian Dury in that film, and how I play Caesar in Rise of the Planet of the Apes.
"How it's cloaked and manifested on screen, that's a different thing, but people often don't get that it is all acting."
Serkis is currently reprising the role of Gollum for The Hobbit as well as working as a second unit director on the movie.
The Rise of the Planet of the Apes is out now.
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