Ewan McGregor on an Utapau set-construct.

The bridge of General Grievous' flagship, still under construction.

Hayden Christensen (left) and Ewan McGregor (far right) practice choreography for the climactic final duel.

Full-size prop Jedi starfighter on-set.

Peter Mayhew in-costume as Chewbacca.

Ian McDiarmid (as Palpatine, after his disfigurement) sits for makeup.

Ian McDiarmid on-set, filming the end of Darth Sidious' duel with Mace Windu.

Samuel L. Jackson, suspended by wires, on a blue-screen set for Mace Windu's duel with Darth Sidious.

Hayden Christensen and Natalie Portman in their first scene together for Revenge of the Sith.

ILM visual effect art director Alex Jaeger works on the miniature Felucia set, used during the Order 66 sequence.

Anthony Daniels in-costume as C-3PO (now with his classic gold coverings).

Ewan McGregor and Natalie Portman chat between takes.

Ewan McGregor and Hayden Christensen battle (what would later digitally become) General Grievous' MagnaGuards.

The finished interior set of Palpatine's office.

Ewan McGregor and Hayden Christensen duel in the film's climax. Many effects, explosions, and background details would be added digitally.

The miniature Utapau set, featured heavily in one of the Clone Wars' final battles.