Age: 44
female
Sienna Rosie Diana Miller (born December 28, 1981) is an American-born English actress. Born in New York City and raised in London, she began her career as a photography model, appearing in the pages of Italian Vogue and for the 2003 Pirelli calendar. Her acting breakthrough came in the 2004 films Layer Cake and Alfie. She subsequently portrayed socialite Edie Sedgwick in Factory Girl (2006) and author Caitlin Macnamara in The Edge of Love (2008), and was nominated for the 2008 BAFTA Rising Star Award. Her role as The Baroness in G.I. Joe: The Rise of Cobra (2009) was followed by a brief sabbatical from the screen amid increased tabloid scrutiny. Miller returned to prominence with her role as actress Tippi Hedren in the television film The Girl (2012), for which she was nominated for the BAFTA Television Award for Best Actress and the Golden Globe Award for Best Actress – Miniseries or Television Film. Further critical acclaim followed throughout the 2010s, with appearances in the films Foxcatcher (2014), American Sniper (2014), Mississippi Grind (2015), The Lost City of Z (2016), Live by Night (2016), and American Woman (2018), as well as the miniseries The Loudest Voice (2019).
Sienna Miller
Jenny Sparks
for Jenny Sparks in The Authority (2025)
Suggested by blockbuster53
The Authority is a team of superpowered beings who operate outside traditional superhero morals and laws. Led by Jenny Sparks, the spirit of the 20th century, the team includes Apollo, a solar-powered superhuman; Midnighter, a brutal hand-to-hand combatant; The Engineer, who has replaced her blood with nanomachines; and several others. They believe that the ends justify the means, using extreme measures to handle global threats. It begins with The Authority dismantling a corrupt government responsible for atrocities. Their brutal methods draw the attention of Amanda Waller, who sees them as both a potential asset and a threat. As they continue their missions, they face a powerful dictator who has acquired alien technology, threatening global stability. The Authority’s willingness to cross ethical lines creates internal conflict, especially between Midnighter’s ruthless approach and Apollo’s more compassionate views. The Authority stop the dictator in a destructive battle that raises questions worldwide: Are they heroes or tyrants? Their actions leave the world questioning the price of their protection. Post Credits: Amanda Waller meets with an unknown figure, discussing the need for a countermeasure against "uncontrolled gods," hinting at future teams or initiatives to control superpowered beings.
