Finneas O'Connell is an American actor and musician. He portrays Alistair on Glee's final season.

Personal life

He is in relationship withe the YouTuber Claudia Sulewski since 2018 Finneas is the brother of Billie Ellish


O'Connell plays Alistair in the Fox TV series Glee and starred as Shane in the award winning independent feature Life Inside Out. He is also known for his portrayal of the character Spencer (Twilight) in Columbia Pictures' Bad Teacher, had a recurring role on ABC's Modern Family and appeared in the premiere episode of Aquarius.

He is also the lead singer/songwriter of the band, The Slightlys. Their song, "Is There Anybody There" appeared in an episode of Switched At Birth.

He co-write the song of the new James Bond movie No Time To Die with his sister Billie Ellish.


Year Title Role Notes
2011 Bad Teacher Spencer
2013 Life Inside Out Shane
2013 Tomorrow Tom Short film
2013-2014 Modern Family Ronnie Jr./Singer 2 episodes
2014 Walking with Dinosaurs: Ultimate Dino Guide Narrator Video documentary short
2015 Glee Alistair Recurring (season six)

Links and Social Networks


  • He previously auditioned five times for five different characters.
  • He began writing songs at the age of 12.
  • The choir that Finneas' ex-girlfriend (Samantha Rubin) is in, is the choir that Glee is based on. Source
  • He is the older brother of Billie Eilish.


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