Add Sigourney Weaver to the list of classic Ghostbusters actors returning to cameo in the next Ghostbusters film.

Director Paul Feig revealed the news via Twitter.

Gang, trying to keep surprises but this is about to leak, so I'll tell you myself: the awesome Sigourney Weaver is going to be in our movie! — Paul Feig (@paulfeig) September 25, 2015

Weaver will join other returning actors making cameos, such as Bill Murray and Ernie Hudson.

Feig’s Ghostbusters will star Melissa McCarthy, Kristen Wiig, Kate McKinnon as a new generation as specter battling scientists.

Ghostbusters opens July 14.