The 58-year-old actress will feature in the Tom Cruise- led spy franchise, which will be directed by Christopher McQuarrie, according to The Hollywood Reporter.
The details of Bassett's role have not been revealed yet.
McQuarrie is returning for the sixth installment, who had previously directed "Mission: Impossible - Rogue Nation".
This will be the filmmaker's fifth collaboration with Cruise, which includes movies such as "Valkyrie", "Jack Reacher" and "Edge of Tomorrow".
Apart from Bassett, the film also stars Henry Cavill, Rebecca Ferguson and Alec Baldwin.
The movie is scheduled to releaseon July 27, 2018.
Disclaimer: No Business Standard Journalist was involved in creation of this content