Guest Stars Robert Reed as Barney Mason Richard Mulligan as Ron Larsen Loretta Swit as Terry Larsen Kristy McNichol as Kelly Rixie Scott Baio as Graham D. Pickrel II Pamela Bellwood as Judy Watson Charles Frank as Jim Wright, Seniors' Chaperone Edward Andrews as Seniors Group Leader Hermione Baddeley as Kitty Pickrel Co Starring Queenie Smith as Helen Lindsay Florence Halop as Millie Lindsay Betty Kean as Mrs. Svenson