Because we want you to be well-informed:
This is Jack Klugman. He was in Twelve Angry Men and the Twilight Zone. He also starred on Quincy. He is currently alive and well, and is the subject and focus of this blog.
This is Jack Warden. He was also in Twelve Angry Men and The Twilight Zone. However, he was also in the Bad News Bears television series, and was also in Used Cars. However, he passed away some time ago.
We hope this has clarified matters. And now, time for soup!