There are many actors who make a successful career out of so-called bit parts, and never have a starring role, which can still be a very satisfying career. Others who achieve great success very early on in their careers become household names, and get many major roles. The majority of actors will have a career that is somewhere in-between these two extremes. There are many actors who make a successful career out of so-called bit parts, and never have a starring role, which can still be a very satisfying career. Others who achieve great success very early on in their careers become household names, and get many major roles. The majority of actors will have a career that is somewhere in-between these two extremes.