- O'Brien, Edmond@ (1)
- O'Connell, Jerry@ (1)
- O'Connor, Donald@ (3)
- O'Donnell, Rosie@ (12)
- O'Hanlon, Ardal@ (4)
- O'Hara, Catherine@ (1)
- O'Loughlin, Alex (6)
- O'Neal, Ryan@ (1)
- O'Quinn, Terry (2)
- O'Toole, Peter@ (7)
- Oh, Sandra (3)
- Oldman, Gary@ (9)
- Oleynik, Larisa@ (25)
- Olivier, Laurence@ (6)
- Olsen, Mary-Kate and Ashley@ (17)
- Olyphant, Timothy@ (0)
- Ormond, Julia@ (3)
- Orr, Ashley Rose (2)
- Otto, Miranda@ (4)
- Overton, Rick@ (2)
- Owen, Chris@ (1)
- Owen, Clive@ (54)
