He’s more an Arrow guy, but has been on Legends of Tomorrow this season.
Wynn - the people who nominated him for a Tony might have had an inkling.
Cisco’s also spent time on Broadway.
Barrowman appeared on three out of the four Berlantiverse shows this week - The Flash, Legends of Tomorrow, and Arrow. That is, the episodes all aired on the same week and in the case of The Flash and Legends… on the same night.