- John T. Scanlon (1 movie)
- John Sylla (1 movie)
- John Surman (1 movie)
- John Sumner (1 movie)
- John Stuart (1 movie)
- John Stroehman (1 movie)
- John Storey (2 movies)
- John Stockwell (1 movie)
- John Steinkamp (1 movie)
- John Stead (1 movie)
- John Speredakos (1 movie)
- John Spencer (3 movies)
- John Slattery (8 movies)
- John Slade (1 movie)
- John Shrapnel (1 movie)
- John Shaw (1 movie)
- John Sharp (1 movie)
- John Sessions (1 movie)
- John Scurti (1 movie)
- John Schwab (2 movies)
- John Saxon (2 movies)
- John Savoca (1 movie)
- John Savident (1 movie)
- John Sarno (1 movie)
- John Sanford Moore (2 movies)
- John Sanderford (1 movie)
- John Sampson (1 movie)
- John Salvitti (1 movie)
- John Salley (2 movies)
- John S. Schwartz (1 movie)
- John S. Davies (1 movie)
- John Rutland (1 movie)
- John Rue (1 movie)
- John Rothman (3 movies)
- John Roselius (1 movie)
- John Romualdi (1 movie)
- John Robinson (1 movie)
- John Robert (2 movies)
- John Rixey Moore (1 movie)
- John Ritter (2 movies)
- John Ring (2 movies)
- John Richard Petersen (2 movies)
- John Rhys-Davies (7 movies)
- John Reynolds (1 movie)
- John Rees (1 movie)
- John Raymond (1 movie)
- John Rawls (1 movie)
- John Ratzenberger (5 movies)
- John Randolph Jones (2 movies)
- John Ralston (1 movie)