The actor was suffering from sepsis, lower respiratory tract infection & heart block.

Coltrane, best known for playing the gentle half-giant Rubeus Hagrid, died on Friday.

Born Anthony Robert McMillan, Coltrane was in his early 20s when he began pursuing an acting career.

The actor said there was sadness but also gratitude to have been a part of a series that impacted so many lives.

The films chronicle the lives of a young wizard, Harry Potter, and his two friends.