Miles Robbins as Luke Nightingale

Patrick Schwarzenegger as Daniel

Sasha Lane as Cassie

Mary Stuart Masterson as Claire

Chukwudi Iwuji as Dr. Cornelius Braun

Hannah Marks as Sophie

Chase Sui Wonders as Makayla

Katie Chang as Barista

Jamar Greene as Campus Security Guard

Cara Ronzetti as Joelle

Michael Cuomo as James

Andrew Bridges as Richard

Madeleine Mfuru as Cop

Nathan Chandler Reid as Young Daniel

Daniel Marconi as John Thigpen

Rosanne Ma as Professor Abelard

Lynn Marocola as FDNY Paramedic (uncredited)