|Robert Donat||Robert Wilson|
|Deborah Kerr||Catherine Wilson|
|Glynis Johns||Dizzy Clayton|
|Elliott Mason||Mrs. Hemmings|
|Eliot Makeham||Mr. Staines|
|Brefni O'Rorke||Mr. Hargrove|
|Henry Longhurst||Petty Officer|
Husband and wife Robert and Catherine have hit a rough spot in their marriage. Unsure whether their union will survive, both feel relieved when World War II forces Robert to join the British navy. Robert finds a new outlook on life, in part because of an injury. Catherine also transforms herself by working for the Navy's female branch. Dreading their reunion, she phones to say she wants a divorce. Both are surprised by whom they find when they meet in a pub.