Brothers in Law is a 1957 British comedy movie directed by Roy Boulting and based on the 1955 novel of the same name by Henry Cecil Leon. It stars Richard Attenborough, Ian Carmichael, Jill Adams, Terry-Thomas, Jill Adams, Raymond Huntley, Eric Barker, Nicholas Parsons, Olive Sloane, Basil Dignam and was distributed by British Lion Films.