Alistair Petrie plays Mr Groff
This image appears in the gallery:
Netflix's Sex Education: Meet the cast

15. Alistair Petrie plays Mr Groff
Adam's dad and Principal of Moordale High is played by English actor Alistair Petrie. Alistair has starred in several productions including ’Sherlock’, ‘The Night Manager’, ‘Vera’ and ‘Deep State’. More recently, he appeared in 2019’s ‘Hellboy’ alongside David Harbour as Lord Adam Glaren and in ‘Rogue One’ as General Draven. [Netflix]