Hollywood star Patrick Muldoon, best known for his roles in Days of Our Lives, Melrose Place and the sci-fi action adventure Starship Troopers, died suddenly on Sunday, April 19, at the age of 57, following a heart attack. He had begun his career while still at school in a two-episode arc on the popular sitcom Who's the Boss? Shortly after graduating in 1991, he landed a recurring role on the teen comedy-drama Saved by the Bell.

From there, his career went from strength to strength as just a year later, he originated the role of Austin Reed on Days of Our Lives, appearing from 1992 until 1995, later returning to the show from 2011 to 2012. He also landed a memorable recurring role on the glitzy soap Melrose Place as the villainous Richard Hart in a three-season arc from seasons three to five, and starred in a slew of TV movies in the late 1990s and 2000s.

He found big screen fame playin Zander Barcalow in the beloved cult 1997 film Starship Troopers. His latest movie, crime thriller Dirty Hands, is set to be released later this year.

Alongside his acting work Patrick was also a producer and lent his talents to a multitude of films including The Tribes of Palos Verdes, Arkansas, Marlowe, The Card Counter, The Dreadful, Riff Raff.

Most recently he had been working on Kockroach, starring Chris Hemsworth, Taron Egerton and Zazie Beetz, which is currently filming.

He balanced this work with his music. The star was the lead singer for the band The Sleeping Mass.

Tributes flooded in for the star as fans learned the devastating news ofhis death. "So sad to hear about Patrick Muldoon. Rest in Peace," one wrote on Facebook. "Wow, I'm in shock that's weird I just finished watching Starship Troopers...RIP Patrick," another added.

A third chimed in: "What the heck. My gosh this is so sad rest well you poor sweetheart I hope they have a nice party for you in heaven." A fourth added: "So sad to hear this news about Patrick Muldoon He was my favourite Austin on Days of Our Lives."

A fifth shared: "Very sad by seeing this too young with such a great actor, I enjoyed watching him on Days of Our Lives"

Meanwhile a sixth lamented: "I'm so sad! He was such a good actor and I loved watching him on Days Of Our Lives. He was so young! Praying for his family and friends. "