Mientus toured the country in the hit Broadway musical Spring Awakening and most recently made his Off-Broadway debut in MCC Theater's production of Carrie. He also recently made his Broadway debut in the 2014 revival of Les Misérables as Marius. Other credits include: Mark Cohen in Rent, Februrary House at New York Stage and Film and several roductions with the New York Musical Theatre Festival. He is currently developing the musical project Manhatten Kids with the band Teen Commandments.
- Spring Awakening - Hanschen
- Rent - Mark Cohen
- February House
- Manhattan Kids
- Les Misérables (2014 Revival Cast) - Marius