Jerry Lewis on Dean Martin: 'A Love Story'

British actor Jeremy Northam stars in the new CBS movie Martin & Lewis about Dean Martin and Jerry Lewis (he plays Martin) which airs Sunday. Northam recently starred in Gosford Park, Possesion and Enigma. In 2003 he stars in the new film The Singing Detective.

Actor Joe Mantegna. He's best known for his work with playwright David Mamet in the films "Homicide," "House of Games" and the plays "Speed-the Plow" and "Glengarry Glen Ross." He's currently starring as Dean Martin in the HBO film, "The Rat Pack." (it debuts August 22)

Journalist and biographer Nick Tosches. His new biography is "Dino: Living High in the Dirty Business of Dreams," (by Doubleday). It's about singer Dean Martin but it also looks at the culture that created him. He was part of the mob culture, and Hollywood's "Rat Pack." The book also delves into the reasons for the infamous breakup between Dean Martin and his comedy partner, Jerry Lewis. Dean Martin is now 75 years old.