Katharine Elizabeth Gill was born in Santa Monica, California. She is the daughter of actress Morgan Brittany, known for the TV show Dallas in the 1980's and stunt coordinator/2nd unit director Jack Gill. After completing schooling at Agoura High School, Katie moved to Osaka, Japan to work for various print agencies. Upon her return, she started acting at the age of 19 and attended the Joanne Baron/D.W. Brown Studio where she graduated with two years of intensive training. She also traveled to London to attend the Royal Academy of Dramatic Art. She returned to California to work on feature films and various TV shows.

Alice
Receptionist
2022

Taking the Fall
Kate
2021

The Mule
Sarah (uncredited)
2018

The Resident
June Parks · (1 episode)
2018

Wildflower
Brooke
2016

Perfect on Paper
Isabelle
2014

It's Dark Here
Mean Girl
2013

Baby Daddy
Elle · (3 episodes)
2012

Betrayed at 17
Carleigh Taylor
2011

Franklin & Bash
(1 episode)
2011

Body of Proof
Wenda Poweii · (1 episode)
2011

Date Night
Claw Hottie
2010

Ay Lav Yu
Jessica
2010

The League
Katie · (1 episode)
2009

The Middle
Danica · (1 episode)
2009

Under the Gaydar
Blair
2009

Parks and Recreation
Glayds Gergich · (1 episode)
2009

Parks and Recreation
Gladys Gergich · (1 episode)
2009

An American Carol
Rehearsal Actress
2008

The Suite Life on Deck
Dorta / Ingrid · (1 episode)
2008

Drillbit Taylor
Hot Girl
2008

How I Met Your Mother
Erika · (1 episode)
2005

Bones
Young Janelle · (1 episode)
2005

It's Always Sunny in Philadelphia
College Girl #2 · (1 episode)
2005

Drake & Josh
Teri · (1 episode)
2004

Scrubs
Marian · (1 episode)
2001

CSI: Crime Scene Investigation
Caroline Fitzgibbons · (1 episode)
2000

Money Train
Crosswalk Child
1995