BEVERLY HILLS, Calif. (AP) 鈥 Mon Mothma was first introduced to 鈥淪tar Wars鈥 fans as the rebel leader who appears only long enough to move the plot forward by delivering battle plans in hushed tones.

But in the last moments of the most recent episodes on Disney+ (spoilers for already released episodes ahead) she is a patrician senator who, soaked in high-end space booze and potent emotions, tears up the dance floor to a bass-and-drums rave-up at her daughter's wedding. The scene would play as comic if it weren't tragic. None of her fellow revelers know that she has just taken a major step in her rise 鈥 or descent 鈥 into radicalism by washing her hands of an old friend who may be a threat to the burgeoning Rebel Alliance.

The size of the scene 鈥 and its subtleties 鈥 shows off the new levels of depth and breadth given to actors , and other central women in the second season of 鈥淎ndor鈥; three new episodes drop on Tuesday.

鈥淚t鈥檚 a techno-galactic dance moment, but it鈥檚 also this moment of internal chaos for this woman,鈥 O鈥橰eilly said in an interview with The Associated Press. 鈥淪he鈥檚 tacitly agreed to have her friend murdered. She鈥檚 dancing to stop herself from screaming. It鈥檚 deeply painful. It is that one moment where we can actually see Mon Mothma wrestle out of this straitjacket and dance with terrified abandon.鈥

Making Mon Mothma into a real character

Mothma鈥檚 conflict is in some ways even more central to the show鈥檚 premise 鈥 what does it take to make a revolution? 鈥 than that of the title character, played by . Like many real-life figures past and present, she is trying to maintain a facade of respectful, and respectable, opposition to tyranny while feeling the pull of open rebellion.

鈥淚f she drops that mask of diplomacy, she鈥檚 useless," O'Reilly said. 鈥淪he鈥檚 only effective if she maintains composure.鈥

鈥淎ndor鈥 creator Tony Gilroy told the AP that Mothma's 鈥渏ourney is the hardest, I think. Because she has to do everything, and has to be observed. She can鈥檛 move.鈥

The character originated as a brief-but-memorable role for Caroline Blakiston in 1983鈥檚 鈥淩eturn of the Jedi.鈥 The 48-year-old Ireland-born O鈥橰eilly, who has lived much of her adult life in Australia, was first cast in the role of the young senator when the 2005 prequel 鈥淩evenge of the Sith鈥 was shooting there, because, she says with a laugh, she was the 鈥減alest person in Sydney.鈥

All of her 鈥淪ith鈥 scenes were relegated to DVD extras. But she would reprise the role in 2016鈥檚 鈥淩ogue One," to which 鈥淎ndor鈥 is a prequel, and has played the part in the Lucasfilm properties 鈥淪tar Wars: Rebels" and 鈥淎hsoka.鈥

But it's in 鈥淎ndor," especially Season 2, where the origin story of the leader from the planet Chandrila is truly told.

鈥淵ou really feel that she鈥檚 of value to this world that is created,鈥 O鈥橰eilly said. 鈥淭hat鈥檚 the gift that every actor wants.鈥

Gilroy wrote the first three episodes of Season 2, and says he insisted on including the elaborate and difficult-to-produce three-day wedding ceremony that ends with the scene set to a chaotic dance-club remix of composer 鈥淣iamos!鈥 from Season 1.

Gilroy says the expanded roles for his show's women came in part from him learning the talents of the performers.

鈥淵ou get a big show like this where time is really your friend in a way," he said, "and you watch who rises.鈥

Gilroy knew O鈥橰eilly from 鈥淩ogue One,鈥 which he also wrote, but said she鈥檚 basically 鈥渁 piece of furniture鈥 in that movie.

He brought her to 鈥淎ndor鈥 as a legacy character without giving it much thought. But then he got to see her work.

鈥淚t was like, 鈥橫y God, look what she can do, she can do anything,鈥 Gilroy said. 鈥淪he鈥檚 a freaking Steinway. Let's go for it.鈥

Kleya: Stepping out of the shadows in 鈥楢ndor鈥 Season 2

He had a similar experience of discovery with Elizabeth Dulau, whose character Kleya had an intriguing but small part in Season 1 as the lieutenant of violent revolutionary Luthen Rael (Stellan Skarsg氓rd).

Gilroy remembers thinking, 鈥淪he could be the sorcerer鈥檚 apprentice, or she could be one of the greatest actresses I鈥檝e ever worked with in my life."

He chose to treat her as the latter, and this season Kleya gets a real arc and a detailed backstory.

Bix Caleen: Bringing new dimensions to Star Wars

Arjona, who plays Bix Caleen, the partner in romance and rebellion to Luna's Cassian Andor, was 鈥渁nother person it鈥檚 easy to underestimate.鈥

She gets to travel the greatest dramatic distances of any character in Season 2, after limited time in Season 1.

She begins as a communal rural farmer in hiding with fellow rebels then becomes an urban dweller with Andor. She moves from trauma into traumatic stress, and from struggle with addiction into explosive action.

鈥淭his season I just felt so cushioned,鈥 she told the AP. 鈥淚鈥檝e never done a Season 2 of anything. I was able to go to places that I鈥檝e never sort of dabbled in in my career, because I felt so safe at every twist and turn.鈥

In the most recently released episode, she is the target of an attempted sexual assault from an imperial officer, which Arjona said shows 鈥渢he abuse of power, but in a galaxy far far away.鈥

And she called her forthcoming final lines on the series 鈥渢he scariest moment that I鈥檝e ever been presented with. I didn鈥檛 know how to tackle it as an actress.鈥

鈥淚 was a mess!鈥 she added. "It took me takes and takes of me absolutely just bawling through that scene until finally it gets to what I believe they used."

The work of his fellow actors leaves the star almost embarrassed by the project's title.

鈥淚t鈥檚 a paradox that this show is called 鈥楢ndor鈥 because it鈥檚 about community, it鈥檚 an ensemble,鈥 Luna said. 鈥淭he complexity of that is what makes this show interesting.鈥

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