Grunberg, who played Sean Blumberg opposite Keri Russell, Scott Speedman, and Scott Foley in “Felicity” from 1998 to 2002, ...

The actor explained on social media how a knee surgery late last year and Hashimoto's disease triggered his alopecia.

Felicity' and 'Heroes' actor Greg Grunberg shared why he is suddenly bald in a video posted on his YouTube channel on May 7.

Actor Greg Grunberg, known for his roles in Heroes and Alias, shared details about his health issues. In a YouTube video ...

Heroes actor says knee replacement surgery triggered his ‘sudden alopecia’ - The actor has also been diagnosed with Hashimoto ...

Alopecia, or hair loss, can affect any body part and it can be a temporary or permanent condition, per the Mayo Clinic. It is ...

Greg Grunberg knows people are curious about his new look, and he's ready to talk about it. Fans of the actor likely remember him having dark, short hair in his "Felicity" era. These days, he's been ...

Given the nature of his company, which encourages people to open up about sensitive topics and key issues, Grunberg said it would be "hypocritical" not to discuss what has happened to him.

The actor explained on social media how a knee surgery late last year and Hashimoto's disease triggered his alopecia.

Felicity and Heroes actor Greg Grunberg addressed his sudden hair loss in a video shared to his YouTube channel on May 7 Grunberg, 58, revealed he was diagnosed with alopecia, an autoimmune ...

Greg Grunberg in 2024; Grunberg in a YouTube video on May 7, 2025 ...