Although principal photography is under way outside Atlanta for "Avengers: Infinity War," production for the Marvel Studios sequel will expand to the United Kingdom, where the call has gone out for extras.

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A new listing on MovingCastingCall seeks a range of actors in or near Edinburgh, Scotland, and London, England. Here are the breakdowns:

• MALES & FEMALES – Ages 16 – 90 years. All types any ethnicity. No experience necessary. You must have easy access to Edinburgh or the surrounding areas for filming. After you register, the casting directors will contact you if they are interested.

• MALE ARM AMPUTEES – Ages 30 – 40. You must be an arm amputee. You must have easy access to London. Filming Dates: Monday 20th March and Wednesday 10th May 2017.

• MALES & FEMALES 4’9″ OR SMALLER – Ages 16 – 90 years. You must be 4’9″ or smaller. You must have easy access to London. Filming Date(s): you must have good availability for filming in March 2017. They do not have exact dates for this role yet.

Complete details can be found on the casting website.

"Infinity War" cast a net for extras earlier this month in Atlanta, where it singled out men with long hair and beards, which of course sparked speculation that the film with pay a visit to Asgard (additionally, emails to the casting agency were to include the subject line "VIKING").

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Directed Joe and Anthony Russo (“Captain America: The Winter Soldier,” “Captain America: Civil War”), “Avengers: Infinity War” boasts a sprawling ensemble cast that’s so far confirmed to include such actors as Robert Downey Jr., Mark Ruffalo, Chris Pratt, Jeremy Renner, Benedict Cumberbatch, Brie Larson, Josh Brolin, Karen Gillan, Zoe Saldana, Tomo Holland and Pom Klementieff. However, they’re only for starters, as the film draws in most of the key players from all corners of the Marvel Cinematic Universe.

The film arrives May 4, 2018, followed by an as-yet-untitled sequel on May 3, 2019.