California Doubling: The scenes in other places (Africa, Middle East, Central America) are filmed in various parts of the US and in Canada via Vancouver.
Egyptian-American actor Zeeko Zaki plays a former Russian with Chechen background soldier turned terrorist, Akmal Baravey. Due to being Ambiguously Brown, Zeeko could physically pass for being a Chechen.
Follow the Leader: After Seal Team debuted with a female CIA analyst as a regular character, Six introduced its own female CIA analyst in its second season.
The Other Darrin: Marissa Wycott is played by two different actresses in Season 1 and Season 2.