Best man

Source: http://www.crazydaysandnights.net

When the actor got married, his best man was this deceased foreign born permanent A++ musician.

Prior to the ceremony he and the actor consumed several baggies worth and were very giggly.

At one point, they passed some to the Justice of the Peace and he also became a bit silly.

John Lennon

Peter Boyle

Peter Boyle, 71, Is Dead; Roles Evoked Laughter and Anger

Mr. Boyle had met Loraine Alterman, his wife-to-be, when he was filming “Young Frankenstein” and she was interviewing Mel Brooks for Rolling Stone magazine. They were married in 1977, with John Lennon as the best man at their wedding. Mr. Boyle had befriended Lennon through his wife, who was a friend of Lennon’s wife Yoko Ono.- Source