We’re going to need a bigger Milano :

Michael Rooker (as Yondu), Karen Gillan (as Nebula) and Sean Gunn (as Kraglin). Four of the new castmembers are named — Pom Klementieff, Elizabeth Debicki, Chris Sullivan and Kurt Russell

Source : GUARDIANS OF THE GALAXY VOL. 2 Team — And Full Cast List — Step Up | Newsarama.com