- Olivier Rabourdin (1 movie)
- Olivier Raynal (1 movie)
- Oliwia Dabrowska (1 movie)
- Olli Haaskivi (1 movie)
- Ollie Campbell (1 movie)
- Ollie Hall (1 movie)
- Ollie Johnston (1 movie)
- Ollie Palmer (1 movie)
- Olumide Olorunfemi (1 movie)
- Olumiji Olawumi (1 movie)
- Olwen Catherine Kelly (1 movie)
- Olwen Fouéré (1 movie)
- Om Kamath (1 movie)
- Omar Abu Kadir (1 movie)
- Omar Alboukharey (1 movie)
- Omar Azimi (1 movie)
- Omar Benson Miller (1 movie)
- Omar Cruz Soto (1 movie)
- Omar Khattab (1 movie)
- Omar Lagudali (1 movie)
- Omar Orozco (1 movie)
- Omar Patin (1 movie)
- Omari Bernard (1 movie)
- Omer Barnea (1 movie)
- Omid Abtahi (1 movie)
- Omri Rose (1 movie)
- Ona Harris (1 movie)
- Onalee Ames (1 movie)
- Ondřej Vetchý (1 movie)
- Onira Tares (1 movie)
- Onix Serrano (1 movie)
- Onofrio Mancuso (1 movie)
- Onyemachi Ejimofor (1 movie)
- Ooooota Adepo (1 movie)
- Ophélie Jonard (1 movie)
- Oraldo Austin (1 movie)
- Orbert Rogers (1 movie)
- Oriana Lacono (1 movie)
- Orion Lee (1 movie)
- Orion McCabe (1 movie)
- Orla Johannes (1 movie)
- Orlando Gonzalez (1 movie)
- Orlando James (1 movie)
- Orlando Lucas (1 movie)
- Orlando Thor Newman (1 movie)
- Orli Gottesman (1 movie)
- Orly Schuchmacher (1 movie)
- Orrin Hatch (1 movie)
- Orso Maria Guerrini (1 movie)
- Orto Ignatiussen (1 movie)