
Caoilinn Springall
Acting
Biography
Caoilinn Springall is an Irish child actress. Her films include The Midnight Sky (2020) and The Beast Within (2024). On television, she is known for her role in the Amazon Prime series Citadel (2023). Springall made her feature film debut in the 2020 Netflix science-fiction drama, The Midnight Sky, directed by George Clooney. In the film, she played the role of Iris, a mysterious young girl who forms a bond with Clooney's character, Augustine Lofthouse. Her performance was widely praised for its emotional depth and maturity, especially considering her young age Following this, Springall secured a main role in the television series Citadel, and a recurring role as Little Girl in the British psychological horror film Stopmotion. She starred in Paul W. S. Anderson's fantasy-adventure film In the Lost Lands, alongside Dave Bautista and Deirdre Mullins, which was released in 2025. Springall appeared in the 2024 Doctor Who episode "Boom", playing Splice Alison Vater.
Known For

What if you lost your memory? What if a spy didn't know they were a spy? Years ago, the top agents of Citadel, Mason Kane and Nadia Sinh, had their minds wiped. But, they're called back to action as sinister forces emerge from the past. With the help of spymaster Bernard Orlick, these former lovers must remember the past to save the future.
Citadel

The Doctor and his companion travel across time and space encountering incredible friends and foes.
Doctor Who

A queen sends the powerful and feared sorceress Gray Alys to the ghostly wilderness of the Lost Lands in search of a magical power, where she and her guide, the drifter Boyce, must outwit and outfight both man and demon.
In the Lost Lands

A lone scientist in the Arctic races to contact a crew of astronauts returning home to a mysterious global catastrophe.
The Midnight Sky

Ten-year-old Willow follows her parents on one of their secret late-night treks to the heart of an ancient forest. After witnessing her father undergo a terrible transformation, she too becomes ensnared by the dark ancestral secret that they've so desperately tried to conceal.
The Beast Within

Ella Blake, a stop-motion animator struggling to control her demons after the loss of her overbearing mother, embarks upon the creation of a film that becomes the battleground for her sanity. As Ella’s mind starts to fracture, the characters in her project take on a life of their own.