Jesse L. Martin

Jesse Lamont Martin (''né'' Watkins; January 18, 1969) is an American actor and singer. He is best known for his role of Tom Collins on Broadway in the musical ''Rent'' and performed on television as NYPD Detective Ed Green on ''Law & Order'', Captain Joe West on ''The Flash'', and professor Alec Mercer on ''The Irrational''. Provided by Wikipedia