Bones star David Boreanaz attributed the show's sustained success to someone who never actually appeared on the series, but had an immeasurable impact on it.
An emotionally devastating closing moment of Slow Horses season 4 wouldn't have happened without a season 3 scene where two actors overdelivered in a big way.
Prison Break ran for four seasons on Fox, and many of the main cast members are still acting today. Here's what they've been up to since the series ended.
Remember Samwise Gamgee's big speech at the end of The Two Towers? The final episodes of Rings of Power season 2 called back to that moment in a big way.