|Portrayed by Holly Deveaux|
|“||I know that I'm not usually the sentimental one here, but... we're here for you.||”|
After noticing Simon's strange behavior for days, Rebecca finally became concerned enough to share her worry with their mother when Maureen called to tell her that she thinks he may be on drugs. She and Elaine tried to talk to him about it, but when she got into an argument with her mother during the intervention, Simon became furious and accidentally smashed his desk in half, surprising his mother and sister. They later returned to give him dinner, only to find his room trashed and empty. Rebecca found his window wide open and assumed he left the house through it.
Some time after Simon moved out of the house, their mother tried to set a dinner on the night Rebecca was coming home for the weekend, but Simon failed to come.
- Season One
- Season Two
- She is portrayed by Holly Deveaux on Shadowhunters: The Mortal Instruments.
- Her casting side describes her as "incredibly close" with Simon and would later become one of [the viewers] main connection to the mundane world.