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.
[8] She is set to star in Paul W. S. Anderson's fantasy-adventure film In the Lost Lands, alongside Dave Bautista and Deirdre Mullins, which will be released in 2025.
[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.