- William Shatner (3 movies)
- William Smillie (1 movie)
- William Smith (2 movies)
- William Smithers (1 movie)
- William Sterchi (2 movies)
- William Thorne (1 movie)
- William Todd Levinson (1 movie)
- William Windom (2 movies)
- William Zabka (3 movies)
- William Zappa (1 movie)
- William Zielinski (1 movie)
- William-Christopher Stephens (1 movie)
- Willie Brown (1 movie)
- Willie Coppen (1 movie)
- Willie Garson (3 movies)
- Willie Geist (1 movie)
- Willie Hill (1 movie)
- Willie Nelson (2 movies)
- Willo Jean-Baptiste (1 movie)
- Willoughby Gray (2 movies)
- Willow Shields (3 movies)
- Willow Smith (3 movies)
- Willy DeVille (1 movie)
- Wilmer Valderrama (2 movies)
- Wilt Chamberlain (1 movie)
- Windy Diaz (1 movie)
- Windy Wagner (1 movie)
- Winnie Li (1 movie)
- Winona Ryder (8 movies)
- Winston G. Ellis (1 movie)
- Winston James Francis (1 movie)
- Wladimir Klitschko (1 movie)
- Wolf Kahler (2 movies)
- Wolfgang Büttner (1 movie)
- Wolfgang Lindner (1 movie)
- Wolfgang Pissors (1 movie)
- Wolfgang Preiss (1 movie)
- Wong Cho-lam (1 movie)
- Wood Harris (3 movies)
- Woodrow Parfrey (2 movies)
- Woody Buck (1 movie)
- Woody Harrelson (21 movies)
- Woody Naismith (1 movie)
- Woody Schultz (2 movies)
- Woody Strode (1 movie)
- Wotan Wilke Möhring (1 movie)
- Wright King (1 movie)
- Wu Ngan (1 movie)
- Wyatt Cenac (1 movie)
- Wyatt Gray (1 movie)