Reports state that Noonan passed away on February 14. The news was first shared by director Fred Dekker, who collaborated with him on the cult favorite The Monster Squad. In the film, Noonan delivered a memorable performance as Frankenstein’s monster — a role many fans still consider iconic.
In a touching tribute, Dekker praised Noonan’s performance and described him as a true “gentleman and scholar,” adding that the world had lost a remarkable talent. No official cause of death has been disclosed.
Standing at 6-foot-5, Noonan possessed a naturally commanding presence that often led to intense and complex roles. He earned widespread acclaim for his chilling portrayal of serial killer Francis Dollarhyde in Manhunter, a performance that solidified his reputation for bringing depth and menace to the screen.

He continued to captivate audiences in the years that followed, playing Cain in RoboCop 2 and the Ripper in Last Action Hero. He later reunited with director Michael Mann for the crime drama Heat, appearing alongside Al Pacino and Robert De Niro.
His film career also included roles in The Pledge, Synecdoche, New York, and The House of the Devil, reflecting his ability to move seamlessly between major studio productions and independent cinema.
Beyond film, Noonan made numerous television appearances on series such as The X-Files, Law & Order: Criminal Intent, and CSI: Crime Scene Investigation. He was also an accomplished playwright, with works like What Happened Was… and The Wife highlighting his creative voice both on stage and on screen.
Though he often portrayed dark or unsettling characters, those who worked with him consistently described him as warm, thoughtful, and deeply dedicated to his craft. His legacy lives on through the many layered performances that left a lasting mark on audiences worldwide.