From a Melville-esque prologue to a Hong Kong jaunt to an uncharacteristically sweet and serene fadeout, Peter Sellers’ final completed Panther movie is full of surprising detours. Adding to the fun as Clouseau goes “under the covers, y’kneuw” to sleuth out the crime syndicate behind his own reported assassination are a dazzling Dyan Cannon, field work for the faithful Cato (Burt Kwouk), and Brit comedy faves in bit parts.