O. C. Smith To Guest On Juliet Prowse Showm.ANAHEIM — Singer O. C. Smith, whose recording of “Little Green Apples” has already sold more than a million copies, will be a guest on the Juliet Prowse Show opening at Melo-dyland Theater Jan. 14.Also on the card will be comedienne Barbara Heller. The show runs through Jan. 19. Then comes Jimmy Durante,who lists as his guest stars theOsmond Brothers. At Melody-land for a week Jan. 21-26, Durante will also feature his sidekick, Eddie Jackson, and the little Pearce Sisters.Next attraction at the Anaheim theater-in-the-round will be the Southern California concert debut of the singing family, The Cowsills, set for two performances Jan. 11, at 7 and 10 p.m.Progress-B'ulletin, January 4, 1969