This is not a tough job. You read a script. If you like the part and the money is O.K., you do it. Then you remember your lines. You show up on time. You do what the director tells you to do. When you finish, you rest and then go on to the next part. That's it.
Robert Charles Durman Mitchum (August 6, 1917 July 1, 1997) was an accomplished American film actor and singer. He was born in Bridgeport, Connecticut. Mitchum is largely remembered for his starring roles in several major works of the film noir genre, and is considered a forerunner of the antiheroes prevalent in film during the 1950s and '60s.