Initially described as key, it's now a "mysterious guest" role for the 'Hamilton' and 'Spring Awakening' alum
Jonathan Groff Will Guest Star In 'Doctor Who' Series 14
Jonathan Groff Will Guest Star In 'Doctor…
Jonathan Groff Will Guest Star In 'Doctor Who' Series 14
Initially described as key, it's now a "mysterious guest" role for the 'Hamilton' and 'Spring Awakening' alum