Randal Kleiser Director John Travolta Tod Lubitch Actor Diana Hyland Mickey Lubitch Actor Glynnis O'Connor Gina Biggs Actor Robert Reed Johnny Lubitch Actor Ralph Bellamy Dr. Gunther Actor Karen Morrow Martha Biggs Actor Howard Platt Neighbor Actor John Friedrich Roy Slater Actor Vernee Watson Gwen Actor Edwin "Buzz" Aldrin Buzz Aldrin Actor Kelly Ward Tom Shuster Actor Skip Lowell Bruce Shuster Actor John Megna Smith Actor Darrell Zwerling Mr. Brister Actor P.J. Soles Deborah Actor Anne Ramsey Rachel Actor Cindy Dunne Producer Joel Thurm Producer