When shooting wrapped, the usually reticent Ronald Colman said, "This is one picture I hate to finish!"
For the picnic scene in which Smithy proposes to Paula, Greer Garson wanted to ride her own bicycle, but for authenticity's sake, the art department found her a vintage 1918 vehicle. When production finished, Mervyn LeRoy gave her a new bike, which she gleefully rode through the streets of Beverly Hills to the delight of tourists.
With a 12-week exclusive run at Radio City Music Hall, the film set a then-house record as the venue's longest-running film. Demand for tickets was so great that they had to open the box office at 7:45. each morning. The theatre's manager told Mervyn LeRoy that the film could easily have played another 12 weeks, but MGM's parent company, Loew's, Inc., pulled it to play in wide release in their own theaters.
Ronald Colman had first-hand experience of what was then called shell-shock: serving with the British army, he had fought at the Battle of Ypres in World War I, during which he was wounded and exposed to mustard gas.
Ronald Colman fought in the British army in World War I at the battle of Ypres in 1914, where he received severe shrapnel wounds to a knee and ankle. He was decorated for bravery and was invalided out of the army several months later.