- Lydia Hannibal (1 movie)
- Lydia Hull (4 movies)
- Lydia Rose Bewley (2 movies)
- Lydia Wilson (2 movies)
- Lyle Brocato (3 movies)
- Lyle Lovett (2 movies)
- Lyman Ward (1 movie)
- Lymari Nadal (1 movie)
- Lynda Boyd (2 movies)
- Lynda Gravatt (1 movie)
- Lyndon Smith (1 movie)
- Lyndsey Marshal (1 movie)
- Lyndsey Nelson (1 movie)
- Lyndsi LaRose (1 movie)
- Lyndsy Fonseca (3 movies)
- Lynette Zumo (1 movie)
- Lynn A. Freedman (2 movies)
- Lynn Cohen (7 movies)
- Lynn Collins (4 movies)
- Lynn Golden (1 movie)
- Lynn Hicks (1 movie)
- Lynn Jezzard (1 movie)
- Lynn Kennedy (1 movie)
- Lynn Milano (1 movie)
- Lynn Redgrave (1 movie)
- Lynn Shelton (2 movies)
- Lynn-Holly Johnson (1 movie)
- Lynnanne Zager (2 movies)
- Lynne Deragon (1 movie)
- Lynne Rossetto Kasper (1 movie)
- Lynne Wilmot (1 movie)
- Lynwood Robinson (2 movies)
- Lyriq Bent (2 movies)
- Lysette Anthony (1 movie)
- Lyssa Roberts (1 movie)
- Lyubomir Neikov (1 movie)
- M. Emmet Walsh (4 movies)
- M. Night Shyamalan (3 movies)
- M. Scott Shields (1 movie)
- M.C. Gainey (5 movies)
- M.C. Hammer (1 movie)
- M.D. Walton (1 movie)
- M.K. Walsh (1 movie)
- M'laah Kaur Singh (1 movie)
- Maarten Dannenberg (1 movie)
- Maaya Sakamoto (3 movies)
- Mabel Rivera (1 movie)
- Mabelle Dennison (1 movie)
- Mable Mae (1 movie)
- Mac Brandt (1 movie)