Julie ChristiePetulia Danner George C. ScottDr. Archie Bollen Richard ChamberlainDave Danner Richard DysartMotel Receptionist Austin PendletonIntern (uncredited) Howard HessemanHippie (uncredited) Janis JoplinHerself (uncredited) René AuberjonoisFred Six (uncredited) Peter BonerzSelf (uncredited) Barbara BossonSelf (uncredited) Kathryn IshSelf (uncredited) Josephine NicholsNeighbor (uncredited) Richard StahlGreenhouse fitter (uncredited) Mel StewartSupermarket Clerk (uncredited) Tony WaltonProduction Design / Costume Design Audrey A. BlasdelSet Decoration Dean TavoularisArt Direction Nicolas RoegDirector Of Photography Gustaf NorinMakeup Artist Vivienne WalkerHairstylist Arlette NastatCostume Design Rita RiggsWardrobe Designer Ray SummersWardrobe Designer Gerry HumphreysSound Editor Francis E. StahlSound Editor Harry ZubrinskyLocation Manager