- O-Lan Jones (1 movie)
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- Oh Ji-yul (1 movie)
- Okieriete Onaodowan (2 movies)
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- Ola Rapace (1 movie)
- Olek Krupa (1 movie)
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- Olga Hellsing (1 movie)
- Olga Merediz (1 movie)
- Olive Elise Abercrombie (1 movie)
- Olive Tennant (1 movie)
- Oliver Bigalke (1 movie)
- Oliver Chris (1 movie)
- Oliver Cooper (2 movies)
- Oliver Cotton (1 movie)
- Oliver Jackson-Cohen (3 movies)
- Oliver Maltman (1 movie)
- Oliver Masucci (1 movie)
- Oliver McGrath (1 movie)
- Oliver Phelps (1 movie)
- Oliver Platt (4 movies)
- Oliver Ryan (1 movie)
- Oliver Sindcup (1 movie)
- Oliver Stark (1 movie)
- Oliver Steer (1 movie)
- Oliver Stern (1 movie)
- Olivia Bond (1 movie)
- Olivia Colman (3 movies)
- Olivia Cooke (1 movie)
- Olivia DeJonge (1 movie)
- Olivia Gillies (1 movie)
- Olivia H. Hunt (1 movie)
- Olivia Hamilton (1 movie)
- Olivia Kate Rice (1 movie)
- Olivia Munn (2 movies)
- Olivia Perez (1 movie)