Trivia / Bell, Book and Candle

• Cast the Expert: Real life trumpeter brothers Pete and Conte Candoli, veterans on the West Coast Jazz scene, as the trumpet players at the Zodiac Club.
• Enforced Method Acting: Richard Quine took Ernie Kovacs aside and instructed him to just barge into Jimmy Stewart's office in his introduction scene, leaving Stewart out of the loop. Stewart's confused expression is genuine.