Caoilinn Springall

Caoilinn Springall (born 2012 or 2014)^[1] is an Irish^[2][3] 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).

Caoilinn Springall
Born	2012 or 2014
Occupations	Actress model
Years active	2019–present

Career

Springall made her feature film debut in the 2020 Netflix science-fiction drama, The Midnight Sky, directed by George Clooney.^[4] 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.^[1][5][6]

Following this, Springall secured a main role in the television series Citadel,^[7] and a recurring role as Little Girl in the British psychological horror film Stopmotion.^[8]

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.^[9] Springall appeared in the 2024 Doctor Who episode "Boom", playing Splice Alison Vater.^[10][11]

In May 2023, it was announced that Caoilinn Springall had joined the cast of The Beast Within, a film adaptation of Edward Levy's 1978 novel of the same name.^[12]

Filmography

Film

Year	Title	Role	Notes	Ref.
2020	The Midnight Sky	Iris
2023	Stopmotion	Little Girl
2024	The Beast Within	Willo
2025	In the Lost Lands	Young Girl

Television

Year	Title	Role	Notes	Ref.
2023–present	Citadel	Hendrix Conroy	Main role	[13]
2024	Doctor Who	Splice Alison Vater	Episode "Boom"

Awards and nominations

Year	Award	Category	Work	Result	Ref
2021	Critics' Choice Awards	Best Young Actor/Actress	The Midnight Sky	Nominated	[1]