- Owen Wilson (11 films)
- Oscar Isaac (7 films)
- Omar Sy (6 films)
- Olga Kurylenko (5 films)
- Olivia Wilde (5 films)
- Octavia Spencer (4 films)
- Olivia Colman (3 films)
- Olivia Cooke (3 films)
- Olivia DeJonge (3 films)
- Olivia Munn (3 films)
- Olivier Rabourdin (3 films)
- Oulaya Amamra (3 films)
- Oliver Cooper (2 films)
- Oliver Platt (2 films)
- Olivier Baroux (2 films)
- Olivier Gourmet (2 films)
- Oona Laurence (2 films)
- Orlando Bloom (2 films)
- Óscar Barberán (2 films)
- Otar Saralidze (2 films)
- Owen Teague (2 films)
- O'Shea Jackson Jr. (1 film)
- Oakes Fegley (1 film)
- Obba Babatunde (1 film)
- Oded Fehr (1 film)
- Odette Annable (1 film)
- Odeya Rush (1 film)
- Oh Dal-Su (1 film)
- Oka Antara (1 film)
- Oksana Akinshina (1 film)
- Oksana Fandera (1 film)
- Olfa Hamrouni (1 film)
- Olga Baclanova (1 film)
- Olga Karlatos (1 film)
- Olga von Luckwald (1 film)
- Oliver Masucci (1 film)
- Oliver Reed (1 film)
- Oliver Stokowski (1 film)
- Olivia Alexander (1 film)
- Olivia Bonamy (1 film)
- Olivia Luccardi (1 film)
- Olivia Ruiz (1 film)
- Olivia Taylor Dudley (1 film)
- Olivia Thirlby (1 film)
- Olivia Williams (1 film)
- Olivier Bureau (1 film)
- Olivier Richters (1 film)
- Olivier Saladin (1 film)
- Olwen Fouéré (1 film)
- Omar Abdi (1 film)
