O'Connor is a fictional character portrayed by Marco Sanchez in the TV series ER.
In the first episode they appeared in, titled When Night Meets Day (season 9), they were 33 years old.
They appear in 1 episodes out of a total of 331 aired
Episodes1
When Night Meets Day
episode S9.E21 may 2003It's Greg Pratt's last shift at County General and he treats a number of cases that were started by John Carter on the day shift. They treat a 12 year-old near drowning victim who has little chance of recovery; a Buddhist nun who has a special gift of seeing another's inner self; a woman who is convinced that the day's solar eclipse signals the end of the world; a drug addict who scams both of them for pain medication; and a pregnant woman who had her baby torn out of her womb. Dr. Romano has his re-attached arm amputated. Carter receives a call from Luka Kovac asking if he can come to the Congo and help out. Abby is none too pleased. Meanwhile, Doc Magoo's burns to the ground.