No Deposit, No Return (1976)

Storyline

Two would-be safe-crackers ‘sort of’ kidnap the two grandchildren of millionaire J. W. Osborne. In a story somewhat reminiscent of O. Henry’s The Ransom of Red Chief, the ransom amount keeps getting smaller as the two children have the best vacation from boarding school ever with their two new friends. David Niven, Darren McGavin, Don Knotts (best remembered for his role as Barney Fife on TV’s “The Andy Griffith Show”), Herschel Bernardi, Barbara Feldon, John Williams, Charlie Martin Smith, Kim Richards, and Brad Savage