Hero, an Australian Kelpie, plays the role of Boy in Love and Monsters, an action-adventure movie also starring Dylan O ... only O'Brien's character that is smitten with the dog.

It stars Dylan, a highly imaginative, multi-colored striped dog who transforms every playtime ... “From the quirky, character-driven stories where anything is possible – like a red wagon ...

Dylan McDermott and his rescue dog Otis star in a new PETA pet adoption campaign, and PEOPLE has an exclusive first look at the project's adorable video PSA.