Movie Roles That Were Offered to Only One Actor

Looper takes a look at some key movie roles in Hollywood that were destined to only be offered to one actor, because they were basically made for the part. They feature Robbie Coltrane's role as Rubeus Hagrid in Harry Potter, Ron Perlman as Hellboy in the movie of the same name, and Dave Bautista as Drax the Destroyer in Guardians of the Galaxy.

• Actors in Horror Movie Roles That You May Not Have Known About
• Famous Actors' Big Screen Movie Debuts That You May Have Never Seen
• The Amazing Career of Peter Dinklage, An Actor Who Refused to Be Typecast Because of His Size