David Shankbone · CC BY 3.0

Glenn converted to Judaism and built a career on quiet authority, playing astronaut Alan Shepard in The Right Stuff, the submarine commander in The Hunt for Red October, and FBI section chief Jack Crawford opposite Jodie Foster in The Silence of the Lambs. Decades later he found new audiences as the blind mentor Stick in Marvel's Daredevil and The Defenders, and earned an Emmy nomination in his eighties for The White Lotus.