The reward is that you can actually create a world separate from reality with a story, actors, music, and camera design. When it works it can entertain, move people and teach us all. ↗
Planet of the Apes was a gigantic challenge, making the clothes work so people could do stunts and action in the clothes. I really learned a lot about that in that movie. ↗
And my father, being a good Swiss puritan, always really insisted that if I was going to be an actor, I shouldn't just be an actor, I should know about the whole process. ↗