Claim: Jim Parsons stars as Sheldon in The Big Bang Theory.

James Joseph Parsons -LRB- born March 24 , 1973 -RRB- is an American actor . He is known for playing Sheldon Cooper in the CBS sitcom The Big Bang Theory . He has received several awards for his performance , including four Primetime Emmy Awards for Outstanding Lead Actor in a Comedy Series and the Golden Globe Award for Best Actor in a Television Series Musical or Comedy .   In 2011 , Parsons made his Broadway debut portraying Tommy Boatwright in the play The Normal Heart , for which he received a Drama Desk Award nomination . He reprised the role in the film adaptation of the play , and received his seventh Emmy nomination , this time in the category of Outstanding Supporting Actor in a Miniseries or a Movie .