Nicky Santoro Jr. (7 Yrs). Robert C. Tetzlaff Custom's Agent. Anthony Russell Bookie. Carol Wilson Classroom Nun. Joe Lacoco Detective Bob Johnson. These workers simultaneously cater to the needs of the guests and the casino owners. No matter who they are, the casino employees all have one goal in. Documentary · Add a Plot» Casino: The Cast and Characters () . Trivia. This documentary is available on the ' Casino ' () Anniversary Edition DVD.