Dave Davies

Waterston joined the cast of the original NBC series in 1994 on a one-year contract. He wound up staying 16 years, until the series wrapped in 2010. Now the show's back — and so is he. We talk about working into his 80s, Grace and Frankie, and how the 1984 film The Killing Fields changed his life and career.

Dr. Farmer worked to improve health care in the developing world. He died in Rwanda Feb. 21, on the grounds of a hospital and university he helped establish. Originally broadcast in 2011.

Bardem didn't set out to become an actor; instead he wanted to be a painter. He's now up for for an Academy Award for his portrayal of Desi Arnaz in Being the Ricardos. Originally broadcast in 2011.