The first time we see Honey and Sam in their van at the dock, as they leave Burke, she cannot keep the door on the passenger side closed--it is obviously being held shut and is on verge of popping open.
Honey forgets to take her hat with her when leaving the boat after her encounter with Selby.
The credits list Herbie Faye's character as "Robert Jacobs", but Burke refers to him as "Robert Jacobson".
In the heat of "being arrested", Gene Barry mistakenly calls Cesar Romero's character "Alivar" instead of "Alvaro".
In the car scene with Burke and Terry Foster, there is a curious problem with the rear projection. When the camera is focused on Virginia Mayo, the rear projection shows that the Rolls is moving down the street. When the scene cuts to Gene Barry, seconds later, the car is stopped, according to the rear projection. Then, when cutting back to Virginia Mayo, her side of the car is miraculously still in motion.
Check out More Links on the Show Main page for a raunchy blooper outtake link involving Gene Barry and Mamie Van Doren.
The sister act was the De Armand Sisters, but the marquee outside the theater bills them as the Armand Sisters.
An actor, who is clearly not Victor Jory, is used for several odd over-the-shoulder shots (apparently filmed at a later date) in the scene between Burke and Jim Clover.
Continuity problem - Burke's car pulls up before Linda Murray's agency. He gets out, walks to the door, and rings the doorbell. Getting no answer, he opens the door. In the next shot, we see him continue through the door into the agency, but behind him, instead of the sidewalk, is an interior hallway. Later, Linda looks up from her desk in the office to see a man standing in the rain on the sidewalk next to that same door.
The title refers to the Eleventh Best Dressed Woman in the World, but in the script she is continually referred to as the Eleventh Best Dressed Woman in America.
Hazel Court's stunt double in the final scene has a noticeably different hairstyle.
The last name of the characters played by Martha Hyer and Josephine Hutchinson is clearly "Vickers", but the credits list Ms. Hutchinson as playing "Madeline Victors".
The victim's name is Diana Mercer, but in the closing credits, Barbara Michaels is billed as playing "Diane Mercer".
The credits list Allyson Ames character as Mrs. Halsey, but Les keeps referring to her as Miss Halsey.
Cleo tells Burke that she lives in Apt. #7 and that "Myra" lives down the hall in Apt. #9. Later she says that "Myra" lives in the Penthouse.
Gene Barry slips at one point and refers to Jack Weston's character as "Sunny MacCree".
For whatever reason, Gena Rowlands' character's name is spelled "Paullette" on her dressing room door.
This is one of the episodes where M. E. George McLeod was listed as "Lab Man (McCloud)" in the credits.
Rosemarie Bowe is billed as playing "Ann Maxwell" in the credits, but her character is referred to as "Ann Martin" throughout the episode.
The plot continuity problem mentioned below cannot be accounted for by syndication cuts. In the DVD version, there is also no mention of either Eleanora's job at a night club nor the fact that she had a husband.
There is a second continuity problem, as well. Juliet bursts in on the napping Burke and announces that she has information on "The Davis Case"--the dead girl's current address. When Burke left her early that morning, he was leaving to investigate a "dead brunette". They had only just gotten the girl identified when Burke slipped back home to grab a quick nap, having been out all night. The whole case was wrapped up in one day; it's not likely the news of the girl's identity would have gotten out, let alone the fact that they were trying to find her current address.