Played the role of Dr. McCoy on the original Star Trek series after beginning his career with roles in the films Fear in the Night and Variety Girl.
He discovered his love for singing at a young age and performed on local radio stations.
His popular catchphrase on Star Trek was "Dammit Jim, I'm a doctor!"
He married Carolyn Dowling in 1945.
He is recognized for his role on the TV series Star Trek, which was created by Gene Roddenberry.