Editing Season 3 (section)

== Cast and characters ==
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=== Main ===
*[[Jennifer Connelly]] as [[Melanie Cavill]]
*[[Daveed Diggs]] as [[Andre Layton]]
*[[Mickey Sumner]] as [[Bess Till]]
*[[Alison Wright]] as [[Ruth Wardell]]
*[[Lena Hall]] as [[Miss Audrey]]
*[[Iddo Goldberg]] as [[Bennett Knox]]
*[[Steven Ogg]] as [[Pike]]
*[[Sheila Vand]] as [[Zarah Ferami]]
*[[Mike O'Malley]] as [[Roche]]
*[[Katie McGuinness]] as [[Josie Wellstead]]
*[[Annalise Basso]] as [[LJ Folger]]
*[[Sam Otto]] as [[John Osweiller]]
*[[Roberto Urbina]] as [[Javier De La Torre]]
*[[Rowan Blanchard]] as [[Alexandra Cavill]]
*[[Sean Bean]] as [[Joseph Wilford]]
*[[Archie Panjabi]] as [[Asha]]<ref name="PanjabiCasting">[https://deadline.com/2021/02/archie-panjabi-season-3-tnt-snowpiercer-cast-1234694697/ Archie Panjabi Joins Season 3 Of TNT’s ‘Snowpiercer’]</ref>
*[[Chelsea Harris]] as [[Sykes]]<ref name="harris-promoted"/>
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=== Guest ===
*[[Karin Konoval]] as [[Doctor Pelton]]
*[[Sakina Jaffrey]] as [[Mrs. Headwood]]
*[[Tom Lipinski]] as [[Kevin McMahon]]
*[[Jaylin Fletcher]] as [[Miles]]
*[[Stephen Lobo]] as [[Martin Colvin]]
*[[Elaine Kao]] as [[Anne Roche]]
*[[Kandyse McClure]] as Tail Boss
*[[Aleks Paunovic]] as [[Bojan Boscovic]]
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=== Co-Starring ===
* [[Miranda Edwards]] as [[Lights]]
* [[Emma Oliver]] as [[Winnie]]
* [[Kurt Ostlund]] as [[Strong Boy]]
* [[Kwasi Thomas]] as [[Z-Wreck]]
* [[Fiona Vroom]] as [[Miss Gillies]]
* [[Andrea Ware]] as [[Jackboot Tyson]]
* [[Kristian Bruun]] as Stu Whiggins
* [[Jorge Vargas]] as Watermaster Arnoldo Reyas
* [[Bola Omooara]] as Jackboot Gibbs
* [[Eric Pollins]] as Cakemaker
* [[Abiola Uthman]] as Jackboot
* [[Ellie Harvie]] as [[The Notary]]
* [[Esther Ming Li]] as [[Carly Roche]]
* [[Ian Collins]] as [[Tristan]]
* [[Matthew Mandzij]] as Brakeman West
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* [[Jane McGregor]] as [[Astrid]]
* [[Grace Sunar]] as Young [[Alexandra Cavill|Alex]]
* [[Bella Grace]] as Shilo
* [[Dominic Good]] as Chunder
* [[David Beairsto]] as Ag-Sec Evacuee
* [[Akeem Hoyte-Charles]] as Gambler
* [[Renee Taylor]] as Gambler
* [[Leah Jacksties]] as Junior Brakeman Charles
* [[Ryan Mah]] as Doctor Kanu
* [[Taylor St. Pierre]] as Brakeman Elliot
* [[Nickolas Baric]] as Toothy Agent
* [[Jaren Moore]] as Greasy Agent
* [[Ava Johnson]] as Ag-Sec Worker
* [[Alyssa Litowsky]] as Jenny
* [[Adam Zulkifli]] as Ag-Sec Worker
* [[Kelly-Ruth Mercier]] as Annie
* [[Brent Stait]] as Tunnelman Jakes Carter
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