Audrey Hepburn and Mel Ferrer do PSA for American Cancer Society backstage at their Broadway show, Ondine

Title: "And Now an Important Message" superimposed over hand holding a sword / MS actress Audrey Hepburn, wearing a pixie haircut and putting on makeup in dressing room, turns to camera and SOT introduces herself, describing the show "Ondine" as camera pulls back and shows Mel Ferrer, in knight's costume, sitting next to her / SOT Ferrer, holding a sword, regarding crusade against cancer by the American Cancer Society / VS CU/MS SOTs Hepburn and Ferrer state three facts about cancer; Hepburn holds up giant envelope addressed to "Cancer c/o your local post office" / title "This subject has been presented by this theater as a public service" superimposed over hand holding a sword / Note: exact day not known