Ironically, for an episode about one of the characters being frightened of flying (Susan Lewis), Director Christopher Chulack refused to go up in the helicopter as he's terrified of them. Conversely, Sherry Stringfield thoroughly enjoyed her trip up in the chopper.
The production team were worried that Standards and Practices wouldn't allow Dr Dennis Gant to call Peter Benton a prick. However, this didn't prove to be a problem because Standards and Practices clearly agreed with Gant.
First of two appearances in the series by Jenny O'Hara playing Nurse Rhonda Sterling who "enjoys" a combative relationship with Carol Hathaway.
When the caretaker for the patient who wants to be cryogenically frozen is talking to Carol she mentions the "dinosaurs in that movie". The movie is Jurassic Park by Michael Chricton who created ER. ER was meant to be a movie but they opted to work on Jurassic Park instead and ER became a series.
The "ice" that Jeanie and Maggie pour over Mr. Brazil is actually chopped up silicone.