Glee Cast: Where Are They Now?
1. Grant Gustin
In spite of only appearing in seven episodes, the villainous warbler Sebastian Smythe has gone down in history as one of the most popular Glee characters, and it all has to do with Grant Gustin's charming performance.
But after bringing Sebastian's arc full-circle, Gustin quickly became a household as he landed a recurring role of legendary DC Comics character Barry Allen (a.k.a. The Flash) in The CW's Arrow - a role he would go onto reprise full-time in spin-off series The Flash.
Now heading into its seventh season, The Flash has become one of the most popular shows on television (not-to-mention The CW's biggest hit ever) and, with Arrow having departed our screens, Gustin's Flash has become the signature hero of Arrowverse.
Having reprised his role on special episodes of Arrow, Supergirl (which reunited him with Glee co-star Melissa Benoist), DC's Legends of Tomorrow and Batwoman, it's safe to say he's been quite busy over the last five years, but that hasn't stopped him from venturing into the film world, as he had a supporting role in 2016's Krystal and is set to portray Barry Keenan in upcoming film Operation Blue Eyes.
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What's your favourite memory of Glee? For more, check out our list of the 25 greatest superhero TV shows of all time.