- William McNamara (1 film)
- William Meredith (1 film)
- William Morse (2 films)
- William Moseley (1 film)
- William Newman (2 films)
- William O'Malley (1 film)
- William Ostrander (1 film)
- William Peltz (1 film)
- William Ragsdale (1 film)
- William Sadler (3 films)
- William Vail (1 film)
- Willie Adams (1 film)
- Willow Smith (1 film)
- Wilson Gonzalez Ochsenknecht (1 film)
- Winnie Hung (1 film)
- Winona Ryder (6 films)
- Winslow Iwaki (1 film)
- Winston Chao (1 film)
- Wolf Hudson (1 film)
- Wolfgang Glück (1 film)
- Wong Ching (1 film)
- Wong Shu-Tong (1 film)
- Woo Gi-Hong (1 film)
- Woo Yong (1 film)
- Woody Harrelson (1 film)
- Woody Jeffreys (1 film)
- Wotan Wilke Möhring (1 film)
- Wunmi Mosaku (1 film)
- Wyatt McClure (1 film)
- Wyatt Oleff (2 films)
- Wyatt Page (1 film)
- Wyatt Russell (2 films)
- Xander Berkeley (1 film)
- Xantha Radley (1 film)
- Xavier Capdet (1 film)
- Xavier Dolan (1 film)
- Xavier Fernández (1 film)
- Xavier Laurent (1 film)
- Xavier Samuel (1 film)
- Xena Zeit-Geist (1 film)
- Xiao Sun (1 film)
- Xing Xing Cheng (1 film)
- Xoel Yáñez (1 film)
- Xzibit (1 film)
- Yani Gellman (2 films)
- Yannick Laurent (1 film)
- Yannis Stankoglou (1 film)
- Yaphet Kotto (2 films)
- Yasaka Chaisorn (1 film)
- Yasuko Sawaguchi (1 film)