E. G. Marshall (June 18, 1914 – August 24, 1998) was an American actor, best known for his television roles as the lawyer Lawrence Preston on The Defenders in the 1960s, and as neurosurgeon David Craig on The Bold Ones: The New Doctors in the 1970s. Among his film roles, he is perhaps best known as the unflappable Juror #4 in Sidney Lumet's courtroom drama 12 Angry Men (1957).
Description above from the Wikipedia E. G. Marshall, licensed under CC-BY-SA, full list of contributors on Wikipedia.