"There is less pressure as a character actor. It generally means that you will be acting for all of your life, which is my intention. It is not my intention to just be a rich and famous person, that would be pretty boring"

Tim Roth is revealing his desire to be a character actor, instead of a star. He is suggesting that there is less pressure in character acting, which it is a more sustainable profession path. He indicates that he wants to act for the rest of his life, and that he is not thinking about becoming a rich and famous person. He implies that being a star would be dull, which he would rather focus on his craft and his profession. He is revealing his desire to be a character star, and to focus on his craft rather than fame and fortune. He is recommending that character acting is a more sustainable career course, which it is less pressure than being a star. He is expressing his desire to act for the rest of his life, and to focus on his craft instead of popularity and fortune.