“The Big Empty” Filming Locations

The Expanse episode “The Big Empty” was filmed in Toronto in Canada.

Roy Thomson Hall as The U.N. HQ Annex

The U.N. Undersecretary orders Avasarala to stop using gravity torture on the captured OPA operative.

Corus Quay as U.N. HQ Offices

Avasarala tells the Undersecretary that she wants the OPA suspect sent to Luna for interrogation.