Game of Thrones’ David Benioff and DB Weiss appear in Westworld cameo

Drogon the dragon also made an appearance

Westworld viewers were treated to a Game of Thrones cameo last night.

*Warning – spoilers for episode two below*

GoT creators David Benioff and DB Weiss appeared in the second episode of season three, titled “The Winter Line”, as park technicians looking after none other than Drogon, Daenerys’s dragon in the fantasy drama.

The two techs can be heard discussing potential plans to sell the beast to a park in Costa Rica – an apparent reference to Jurassic Park.

The franchise is based on the novel of the same name by Michael Crichton, who also wrote the book that forms the basis for Westworld.

Westworld showrunners Lisa Joy and Jonathan Nolan​ told Variety that George RR Martin, the author behind Game of Thrones, has long supported the idea of a crossover between the two shows.

“We’re also friendly with George RR Martin, and George had consistently since the first season said, ‘We’ve got to do a tie-in with Game of Thrones,’” Nolan told the publication.

“People forget that George was originally a TV writer and he came up in the TV world in which you’d occasionally have these crossover shows, which the fans would f***ing freak out over. So George had always been pitching the crossover show.”

Game of Thrones creators David Benioff and DB Weiss, as well as Drogon the CGI dragon, made a cameo on Westworld. (Hulu / HBO)

Westworld season three is now streaming on HBO and is broadcast in the UK on Sky Atlantic and NOW TV.