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Katie O'Brien

Acting 16 credits

Biography

Katie O'Brien works in acting. Archytele lists 16 screen credits below. A full profile for this page is being written and will appear here once verified against sources.

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Known for

Steve

as Self

Teachers

as Mary Louise Bennigan

Teachers

2016

@midnight with Chris Hardwick

as Self

Key & Peele

as Employee

Frequent co-stars

Caitlin Barlow 1 shared title
Katy Colloton 1 shared title
Cate Freedman 1 shared title
Kathryn Renée Thomas 1 shared title
Kate Lambert 1 shared title
Tim Bagley 1 shared title
Ryan Caltagirone 1 shared title
Patricia Belcher 1 shared title
Jay Martel 1 shared title
Trevor Larcom 1 shared title

Career timeline

The Z-Suite · WriterThe Z-Suite · Creator
The Santa ClausesThe Santa Clauses · Co-Executive ProducerThe Santa Clauses · WriterThe BubbleAtsuko Okatsuka: The Intruder · Co-Executive Producer
Carl the Exorcist
Steve
TeachersTeachers · WriterKocktails With Khloé
Go-Go Boy Interrupted
@midnight with Chris Hardwick
Key & PeeleTeachers

Full filmography

  • The Z-Suite (2025) Writer
  • The Z-Suite (2025) Creator
  • The Santa Clauses (2022) as Barista
  • The Santa Clauses (2022) Co-Executive Producer
  • The Santa Clauses (2022) Writer
  • The Bubble (2022) as Baltaire Waitress, Monica
  • Atsuko Okatsuka: The Intruder (2022) Co-Executive Producer
  • Carl the Exorcist (2021) as Mrs. Blaire
  • Steve (2017) as Self
  • Teachers (2016) as Mary Louise Bennigan
  • Teachers (2016) Writer
  • Kocktails With Khloé (2016) as Self
  • Go-Go Boy Interrupted (2014) as Krista
  • @midnight with Chris Hardwick (2013) as Self
  • Key & Peele (2012) as Employee
  • Teachers (2012) as Mary-Louise Bennigan