Terry Southern, author of Dr. Strangelove and Easy Rider, is at his tongue in cheek, psychedelic best with this film adaptation of his 1960s novel, cowritten by Buck Henry and Mason Hoffenburg. This is a send up of Voltaire's Candide, with a host of cameo appearances that defy imagination. Richard Burton plays a beat poet, Marlon Brando plays an Indian guru, Charles Aznavour is a hunchback juggler, and there's James Coburn, John Huston, Ringo Starr, Jon Astin and a lot more, all obviously enjoying themselves in a comedy that still stands up today.
http://www.amazon.co.uk/exec/obidos/ASIN/B0007D5GFE/ref=pd_bxgy_img_2_cp/026-5143577-8085226