- Radcliffe, Daniel
- Radetsky, Sascha
- Radnor, Josh
- Raffety, Mark
- Ragsdale, William
- Rahm, Kevin
- Railsback, Steve
- Raimi, Ted
- Raine, Jackson
- Rains, Claude
- Rainwater, Gregg
- Ralph, Christopher
- Ramamurthy, Sendhil
- Rambo, Dack
- Ramirez, Edgar
- Ramirez, Efren
- Ramis, Harold
- Rampal, Arjun
- Ramsay, Gordon
- Randall, Josh
- Randall, Tony
- Rankin, Chris
- Rankin Jr., Arthur
- Rapaport, Michael
- Rapp, Anthony
- Rash, Jim
- Rasner, Robert Lyon
- Ratchford, Jeremy
- Rathbone, Basil
- Ratner, Brett
- Ratzenberger, John
- Ravenscroft, Thurl
- Rawat, Navi
- Rawlinson, Herbert
- Ray, Albert
- Ray, Charles
- Ray, Gene Anthony
- Rayburn, Conner
- Rea, Stephen
- Reddick, Lance
- Redford, Robert
- Redgrave, Michael
- Redmayne, Eddie
- Reed, Alan
- Reed, Donald
- Reed, Oliver
- Reed, Robert
- Reedus, Norman
- Rees, Jed
- Rees, Roger
- Reeve, Christopher
- Reeves, George
- Reeves, Keanu
- Reeves, Scott
- Reevis, Steve
- Regehr, Duncan
- Reid, Tim
- Reid, Wallace
- Reilly, Charles Nelson
- Reilly, John C.
- Reiner, Carl
- Reiner, Rob
- Reinhold, Judge
- Reiser, Paul
- Remson, Bert
- Renfro, Brad
- Renner, Jeremy
- Rennie, Callum Keith
- Reno, Jean
- Reubens, Paul
- Rex, Simon
- Reynolds, Burt
- Reynolds, Ryan
- Rhames, Ving
- Rhind-Tutt, Julian
- Rhys, Matthew
- Rhys-Davies, John
- Rhys-Meyers, Jonathan
- Ribeiro, Alfonso
- Ribisi, Giovanni
- Rich, Adam
- Richard, Robert
- Richards, J. August
- Richards, Michael
- Richardson, Derek
- Richardson, Ian
- Richardson, Jake
- Richie, Shane
- Richman, Peter Mark
- Richmond, Tequan
- Richter, Andy
- Richter, Daniel
- Richter, Jason James
- Rickles, Don
- Rickman, Alan
- Ridings, Richard
- Riesco, Armando
- Rifkin, Ron
- Rikaart, Greg
- Riley, Michael
- Rippy, Leon
- Rispoli, Michael
| - Ritchie, Guy
- Ritter, Jason
- Ritter, John
- Ritter, Tex
- Rivera, Geraldo
- Roach, Hal
- Roache, Linus
- Road, Mike
- Robards Jr., Jason
- Robards Sr., Jason
- Robbins, Tim
- Roberts, Dallas
- Roberts, Eric
- Roberts, Leonard
- Roberts, Pernell
- Roberts, Shawn
- Roberts, Theodore
- Robertson, Clive
- Robeson, Paul
- Robinson, Andrew
- Robinson, Bill
- Robinson, Chris
- Robinson, Corey Parker
- Robinson, Craig
- Robinson, Edward G.
- Robinson, Keith
- Robinson, Matt
- Robinson, Tony
- Robson, Wade
- Rocca, Mo
- Rocco, Alex
- Roche, Eugene
- Rochefort, Jean
- Rock, Chris
- Rock, The
- Rock, Tony
- Rockwell, Sam
- Roday, James
- Roddenberry, Gene
- Rodgers, Chad
- Rodrick, Michael
- Rodriguez, Adam
- Rodriguez, Freddy
- Rodriguez, Jai
- Rodriguez, Marco
- Rodriguez, Paul
- Rodriguez, Robert
- Rogan, Joe
- Rogen, Seth
- Rogers, Charles Buddy
- Rogers, Ivan
- Rogers, Reg
- Rogers, Roy
- Rogers, Tristan
- Rogers, Wayne
- Rogers, Will
- Rohmer, Eric
- Rohner, Clayton
- Roker, Al
- Roland, Gilbert
- Rolston, Mark
- Romano, Ray
- Romero, Cesar
- Romero, George A
- Rooker, Michael
- Rooney, Jack
- Rooney, Mickey
- Root, Stephen
- Rosenbaum, Michael
- Roshan, Hrithik
- Ross, Jeff
- Ross, Neil
- Rossellini, Roberto
- Rossovich, Rick
- Roth, Eli
- Roth, Tim
- Rothhaar, Will
- Roundtree, Richard
- Rourke, Mickey
- Routh, Brandon
- Rowe, Brad
- Rowland, Rod
- Roxburgh, Richard
- Royo, Andre
- Ruas, Marco
- Ruccolo, Richard
- Ruck, Alan
- Rudd, Paul
- Ruell, Aaron
- Ruffalo, Mark
- Ruivivar, Anthony
- Ruprecht, David
- Rush, Geoffrey
- Rush, Ken
- Russ, Tim
- Russell, Ken
- Russell, Kurt
- Russell, William
- Ryan, Max
- Ryan, Robert
- Rydell, Mark
- Rylance, Mark
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