- John R. Murray (1 movie)
- John Randolph (3 movies)
- John Ratzenberger (12 movies)
- John Redmann (1 movie)
- John Rees (1 movie)
- John Rhys-Davies (9 movies)
- John Ritter (1 movie)
- John Roberson (1 movie)
- John Robert (1 movie)
- John Robinson (2 movies)
- John Roeder (1 movie)
- John Rothman (3 movies)
- John Rue (2 movies)
- John Savage (1 movie)
- John Saxon (4 movies)
- John Sayles (1 movie)
- John Scherp (1 movie)
- John Schnauder Jr. (1 movie)
- John Scurti (1 movie)
- John Sessions (2 movies)
- John Sharian (1 movie)
- John Shaw (1 movie)
- John Shrapnel (1 movie)
- John Shrimpton (1 movie)
- John Shuman (1 movie)
- John Sibi-Okumu (1 movie)
- John Slattery (6 movies)
- John Sloman (1 movie)
- John Snell (1 movie)
- John Snyder (1 movie)
- John Stamos (3 movies)
- John Standing (1 movie)
- John Stead (1 movie)
- John Stevenson (1 movie)
- John Stewart (1 movie)
- John Suda (1 movie)
- John Summers (1 movie)
- John Sumner (2 movies)
- John Surman (1 movie)
- John Sylla (1 movie)
- John T. Ford (1 movie)
- John Tench (1 movie)
- John Terry (2 movies)
- John Thomson (1 movie)
- John Thornton (1 movie)
- John Tormey (1 movie)
- John Travers (1 movie)
- John Travis (VII) (1 movie)
- John Travolta (10 movies)
- John Trejo (1 movie)