Editing Season 3 (section)

==Production==
===Development===
On January 19, 2021, ahead of the [[Season 2|second season]] premiere, TNT renewed the series for a third season.<ref name="Renewed-s3" />

===Writing===

===Casting ===
On February 16, 2021, [[Archie Panjabi]] was cast as [[Asha]], but details of her character are were being kept under wraps.<ref name="PanjabiCasting" /> On March 4, 2021 it was announced that [[Chelsea Harris]] has been promoted to series regular.<ref name="harris-promoted">[https://deadline.com/2021/03/snowpiercer-chelsea-harris-promoted-series-regular-season-3-tnt-series-1234705697/ ‘Snowpiercer’: Chelsea Harris Upped To Series Regular For Season 3 Of TNT Series]</ref>

===Filming===
Filming for season 3 began in March 2021.<ref>''Collider'': [https://collider.com/mickey-sumner-interview-snowpiercer-season-3-filming/ Mickey Sumner on 'Snowpiercer' Season 2 and Heading Back to Work on Season 3] by Christina Radish. March 15, 2021. Sumner stated that her first day of filming season 3 was March 5, 2021.</ref> On July 26, 2021, [[Daveed Diggs]] announced that they wrapped filming the third season.<ref>[https://twitter.com/DaveedDiggs/status/1419729819131027458 My ritual at the end of every season of #snowpiercertnt is to immediately cut my beard... so I guess that's a wrap on season 3!!!!]</ref>