'Yes, we are!' Nathan Fillion teases Firefly reunion after 21 years Nathan Fillion has teased a huge announcement with his former Firefly castmates 5 March 2026 Nathan Fillion has teased a major "announcement" sparking rumours of Firefly revival. Nathan Fillion is teasing a Firefly reunion The 54-year-old actor - who played Captain Malcolm Reynolds in the cult classic space Western show and feature film sequel Serenity - has got fans talking after sharing videos of him visiting former co-stars including Gina Torres (Zoë Washburne), Morena Baccarin (Inara Serra), Sean Maher (Simon Tam), and Su...