<P> The Baby and the Battleship is a colour 1956 British comedy film directed by Jay Lewis and starring John Mills, Richard Attenborough and André Morell . It is based on the 1956 novel by Anthony Thorne with a screenplay by Richard De Roy, Gilbert Hackforth - Jones and Bryan Forbes . The Royal Navy provided a large amount of cooperation with sequences filmed aboard HMS Birmingham and in Malta . </P> <P> When a group of Royal Navy sailors go ashore on shore leave to Naples, they are forced to care for a baby, separated from its mother . During a brawl, Puncher Roberts is knocked unconscious and finds the square empty, except for the baby . Unable to find his friend Knocker, or the child's mother, he smuggles the baby aboard their ship in the midst of a series of joint operations with Allied navies off the coast of Italy . </P> <Ul> <Li> John Mills - Puncher Roberts </Li> <Li> Richard Attenborough - Knocker White </Li> <Li> André Morell - Marshal </Li> <Li> Bryan Forbes - Professor Evans </Li> <Li> Michael Hordern - Captain Hugh </Li> <Li> Ernest Clark - Commander Geoffrey Digby </Li> <Li> Harry Locke - Chief Petty Officer Blades </Li> <Li> Michael Howard - Joe </Li> <Li> Lionel Jeffries - George </Li> <Li> Clifford Mollison - Sails </Li> <Li> Thorley Walters - Lieutenant Setley </Li> <Li> Duncan Lamont - Master - at - Arms </Li> <Li> Lisa Gastoni - Maria </Li> <Li> Cyril Raymond - PMO </Li> <Li> Harold Siddons - Whiskers </Li> <Li> D.A. Clarke - Smith - The Admiral </Li> <Li> Kenneth Griffith - Sub-Lieutenant </Li> <Li> John Le Mesurier - The Marshal's Aide </Li> <Li> Carlo Giustini - Carlo Vespucci </Li> <Li> Ferdy Mayne - Interpreter </Li> <Li> Vincent Barbi - Second Brother </Li> <Li> Gordon Jackson - Harry </Li> <Li> Vittorio Vittori - Third Brother </Li> <Li> Martyn Garrett - The Baby </Li> <Li> Barry Foster - Sailor at Dance </Li> <Li> Robert Ayres - American Captain </Li> </Ul> <Li> John Mills - Puncher Roberts </Li>

Who played the baby in the baby and the battleship