Los Angeles, July 16 -- HBO has revealed the first look of Rubeus Hagrid from the upcoming Harry Potter series. As announced by the studio on Tuesday, actor Nick Frost will step in as beloved half-giant, previously portrayed by the late Robbie Coltrane.

Taking to Instagram, HBO teased the rugged look of Frost, dressed as the Hogwarts gamekeeper who sported long hair and beard in oversized robes.

"Everyone ready? 'ere we go! Nick Frost has walked his first day in the big boots of Hagrid on the set of the new HBO Original Harry Potter series," the post's caption read.

https://www.instagram.com/p/DMIXnxoML3O/

The confirmation came months after reports surrounding the casting of the British actor-comedian made headlines. Frost is best kno...