Keagan's character, Blue, is a woman who has no desire for anything and is consequently defined by other people's expectations. Her story is told in Nirvana Syndrome, the third part of Alexithymia. Keagan experiences Aphantasia - when one does not possess a functioning mind's eye and cannot visualise imagery - which is her form of neurodiversity.
Keagan is a 2014 graduate of the Victorian College of the Arts (BFA Music Theatre). Her VCA credits include Ruby Slocum in Summer Rain (dir. Nancye Hayes), Carla Albanese in Nine (dir. Sally Bourne), and Elaine in James Millar & Peter Rutherford's A Little Touch of Chaos (dir. Iain Sinclair). Since graduation, Keagan has made her professional debut in Ned - A New Australian Musical as Mrs. Kennedy (dir. Gary Young), and continued her love of new Australian works with performances in The Songs of Mackenzie-Spencer and Strano (dir. Casey Gould), The Last Five Queers (dir. Leanne Marsland), and the New Voices concert series, with Matthew Lee Robinson. Keagan wrote and performed an original caberet, Off The Record with Lesley Gore (dir. Melissa Langton), in 2016. She is also an in-demand vocalist, having performed at Twisted Broadway, Broadway Unplugged, TheatrePeople Sings, and Underground Broadway's Mo-Town: A Movember Fundraiser.