Charmed and Runaways star Julian McMahon passed away earlier this week, and his Fantastic Four and Fantastic Four: Rise of the Silver Surfer co-stars have now shared emotional tributes for their co-star.

McMahon was known for portraying villain Doctor Doom in 2005’s Fantastic Four and the 2007’s sequel, Fantastic Four: Rise of the Silver Surfer. He also played Christian Troy in Ryan Murphy’s Nip/Tuck and Cole Turner in Charmed. His more recent credits were in The Residence and The Surfer.

Julian McMahon, known for playing Doctor Doom in Fantastic Four, passed away at age 56 after a battle with cancer. McMahon had a successful acting career spanning over 35 years, with notable roles in TV shows and films. After his portrayal of Doctor Doom, McMahon continued acting in acclaimed films and TV series until his passing.