- Robert Pine (3 movies)
- Robert Picardo (2 movies)
- Robert Phalen (1 movie)
- Robert Peters (3 movies)
- Robert Perry (1 movie)
- Robert Pattinson (6 movies)
- Robert Patrick Stern (1 movie)
- Robert Patrick Brink (1 movie)
- Robert Patrick (6 movies)
- Robert Paterson (1 movie)
- Robert Pastorelli (2 movies)
- Robert P. Thitoff (1 movie)
- Robert Overmyer (1 movie)
- Robert Omache (1 movie)
- Robert Oliveri (1 movie)
- Robert Okrzesik (1 movie)
- Robert O'Neill (2 movies)
- Robert Nunnelly (1 movie)
- Robert Nevin (1 movie)
- Robert Nerantzoulis (1 movie)
- Robert Neary (1 movie)
- Robert Musgrave (1 movie)
- Robert Morgan (2 movies)
- Robert Moloney (1 movie)
- Robert Mladinich (1 movie)
- Robert Mitchum (1 movie)
- Robert Mitchel Owenby (1 movie)
- Robert Miranda (3 movies)
- Robert Minkoff (2 movies)
- Robert Miano (1 movie)
- Robert Mello (1 movie)
- Robert McRary (1 movie)
- Robert McMurrer (1 movie)
- Robert McKibbon (1 movie)
- Robert Maillet (1 movie)
- Robert Maffia (1 movie)
- Robert Maaser (2 movies)
- Robert LuPone (1 movie)
- Robert Luckay (2 movies)
- Robert Love (1 movie)
- Robert Longstreet (3 movies)
- Robert Lombardo (1 movie)
- Robert Loggia (5 movies)
- Robert Loftus (1 movie)
- Robert Lindsay (1 movie)
- Robert Lewis Stephenson (1 movie)
- Robert Lewis Bush (1 movie)
- Robert Lesser (1 movie)
- Robert Leon (1 movie)
- Robert LaSardo (1 movie)