The scenes at the end when, both sets of parents meet, has Franchot Tone's father alternating from Douglas Wood to Charles Richman from scene to scene.
When Bob goes to enter the kitchen where Nancy is cooking breakfast, from the outside shot the door is closed. But when the shot switches to from inside the kitchen the door is standing wide open.
When Mal picks up the phone for the last time in the kitchen, it keeps ringing after he picks up the handset.