The character Ulla is spellt Oola in the credits and the character of Tupa, the pregnant bride-to-be is not listed.
Charles Preston: (to Ulla as he is about to chase her) Hey, why am I hesitating, I'm probably divorced by now and I'm a beachcomber now and beachcombers do crazy things!
Mystery novel enthusiast Mabel Jarvis: (talking to herself) What in the world? Three Aces of Spades!?! Why would anyone have three Aces of Spades? This must be a clue.