Visible crew/equipment: In the beginning of the movie as the two doctors walk up to it, equipment and lights are seen reflected in Dr. Bassett's door. (00:02:00)
Visible crew/equipment: When James Stewart tells Doris Day that he lied about the telephone call being from the hotel, Doris gets excited and James struggles with her on the bed. During that scene, you can see on the upper left corner a shadow of a microphone.
Visible crew/equipment: When the space visitors land on the planet and Robbie the Robot comes to meet them, you can see the reflection of a load of studio lights in the plastic visors of the vehicle Robbie is driving.