To Dorothy a Son is a 1954 British comedy film directed by Muriel Box and starring Shelley Winters, John Gregson and Peggy Cummins. Known in the U.S. as Cash on Delivery, it is based on the 1950 play To Dorothy, a Son by Roger MacDougall which had enjoyed a lengthy run in the West End.

Plot

In order to receive a large inheritance, an American woman travels to Britain to prevent her ex-husband having any more children.