In Marvel Studios "Guardians of the Galaxy Vol.3" 

our beloved band of misfits are looking a bit different these days.

Peter Quill, still reeling from the loss of Gamora, must rally his team around him to defend the universe along with protecting one of their own.

A mission that, if not completed successfully, could quite possibly lead to the end of the Guardians as we know them.

Chris Pratt as Peter Quill / Star-Lord: The half-human, half-Celestial leader of the Guardians of the Galaxy who was abducted from Earth as a child 

Zoe Saldaña as Gamora: An orphan who seeks redemption for her past crimes, and was adopted and trained by Thanos to be his personal assassin.

Dave Bautista as Drax the Destroyer: A member of the Guardians and a highly skilled warrior whose family was slaughtered by Ronan 

Karen Gillan as Nebula: A member of the Guardians, a former Avenger, and Gamora's adoptive sister who, similarly to her, 

Pom Klementieff as Mantis: A member of the Guardians with empathic powers, and Quill's half-sister.

Vin Diesel as Groot: A member of the Guardians who is a tree-like humanoid and the accomplice of Rocket.