This is the list of all people with a lastname starting with "O" that we currently track in the category Movies.
| Margaret O'Brien | Pat O'Brien | Donald O'Connor |
| Maureen O'Hara | Ryan O'Neal | Tatum O'Neal |
| Heather O'Rourke | Maureen O'Sullivan | Peter O'Toole |
| Merle Oberon | Gary Oldman | Laurence Olivier |
| Frank Oz |