- John Roberson (1 movie)
- John Ritter (1 movie)
- John Rhys-Davies (9 movies)
- John Rees (1 movie)
- John Redmann (1 movie)
- John Ratzenberger (12 movies)
- John Randolph (3 movies)
- John R. Murray (1 movie)
- John Prendergast (1 movie)
- John Philbin (1 movie)
- John Pedrick (1 movie)
- John Peakes (1 movie)
- John Payne (1 movie)
- John Paxton (1 movie)
- John Paul Ruttan (2 movies)
- John Patrick Amedori (3 movies)
- John Pankow (2 movies)
- John Paisley (1 movie)
- John P. Fertitta (1 movie)
- John Ortiz (8 movies)
- John Orantes (1 movie)
- John Ohkuma (1 movie)
- John O'Toole (1 movie)
- John O'Connell (1 movie)
- John Novak (1 movie)
- John Nolan (1 movie)
- John Noble (1 movie)
- John Newton (1 movie)
- John Neville (2 movies)
- John Neisler (2 movies)
- John Murtagh (1 movie)
- John Motson (1 movie)
- John Morton (1 movie)
- John Morris (3 movies)
- John Moreno (1 movie)
- John Moore (1 movie)
- John Montanaro (1 movie)
- John Michael Weatherly (1 movie)
- John Michael Higgins (14 movies)
- John Michael Herndon (1 movie)
- John Michael Burdon (1 movie)
- John Merical (1 movie)
- John Meillon (2 movies)
- John Megna (2 movies)
- John Mee (1 movie)
- John McPherson (1 movie)
- John McMartin (1 movie)
- John McLeish (1 movie)
- John McLaughlin (1 movie)
- John McGiver (1 movie)