New Delhi, Aug. 19 -- Filming is well underway for HBO's much-anticipated Harry Potter series, and fans now have their first proper look at the next generation of Weasleys.

Joining Alastair Stout, who plays Ron Weasley, four new young actors have been cast to complete the beloved wizarding family.

Twins Tristan and Gabriel Harland will take on the roles of the mischievous Fred and George Weasley, while Ruari Spooner joins the cast as rule-following older brother Percy. Gracie Cochrane will play the youngest sibling, Ginny Weasley.

The announcement came with a cheerful cast photo showing the new Weasley children gathered for a selfie, with Alastair Stout (Ron) front and centre.

The Harry Potter series is being filmed at Warner Bros.' L...