Upgrade – formerly Stem – is a 2018 Australian science fiction action horror film written and directed by Leigh Whannell (Insidious franchise; Saw franchise; Cooties). It stars Logan Marshall-Green, Betty Gabriel, and Harrison Gilbertson. Jason Blum is serving as a producer through his Blumhouse Productions banner.
In the near-future, when technology controls nearly all aspects of life, a technophobe avenges his wife’s murder and his own paralysis-causing injury with the help of an experimental computer-chip implant called Stem…
Upgrade premieres at SXSW on March 17, 2018, and is scheduled for theatrical release by Blumhouse Tilt on June 1, 2018.
Cast and characters:
- Logan Marshall-Green as Grey Trace – The Invitation; Prometheus; Devil
- Betty Gabriel – Unfriended: Dark Web; Get Out: The Purge: Election Year
- Harrison Gilbertson as Eron – Haunt
- Benedict Hardie
- Christopher Kirby
- Clayton Jacobson as Manny
- Melanie Vallejo as Asha Trace
- Sachin Joab as Dr. Bhatia
- Benedict Hardie
- Michael M. Foster as Jeffries
Production:
On August 26, 2013, it was announced that The Spierig Brothers (Winchester; Jigsaw; Daybreakers; et al) were to direct Stem from a script by Leigh Whannell. On December 15, 2016, Blumhouse Productions announced that Leigh Whannell would be directing the film.
Principal photography began in March 2017.