Harrison Ford, Carrie Fisher, and Billy Dee Williams film Star Wars Episode V: The Empire Strikes Back.

Chewbacca gets into character before filming Star Wars Episode IV: A New Hope on May 19, 1976.

Producer Gary Kurtz with Darth Vader, IG-88 (center), and Boba Fett on the set of The Empire Strikes Back.

George Lucas and Mark Hamill on the set of A New Hope.

The "man beneath the dome," Kenny Baker.

Mark Hamill (left) and Harrison Ford (right) take a break while filming A New Hope.

Alec Guinness (seated), a.k.a. Obi-Wan Kenobi, finds some shade on the desert set.

A human hand pokes out of Yoda. Behind him, Kenny Baker can be seen inside the R2D2 suit.

Carrie Fisher and The Empire Strikes Back producer Gary Kurtz share a laugh on set.

Film producer Robert Watts considers a giant Wampa arm. Fun fact: Watts' half brother, Jeremy Bulloch, played Boba Fett.

(All images courtesy the Official Star Wars Facebook page)

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