| Name | Show | Year | Role | Character | Theater |
|---|---|---|---|---|---|
| Mario Williams | A Musical Christmas Carol | 2012 | Actor | Cratchit Child | Byham Theater |
| Mario Williams | A Musical Christmas Carol | 2013 | Actor | Cratchit Child | Byham Theater |
| Mario Williams | A Musical Christmas Carol | 2014 | Actor | Cratchit Child, Ignorance, Turkey Boy | Byham Theater |
| Mario Williams | A Musical Christmas Carol | 2015 | Actor | Tiny Tim | Byham Theater |
| Mario Williams | Gypsy | 2015 | Actor | Children's Ensemble | Benedum Center |
| Mario Williams | Mary Poppins | 2015 | Actor | Michael Banks | Benedum Center |
| Mario Williams | A Musical Christmas Carol | 2016 | Actor | Cratchit Child, Turkey Boy | Byham Theater |
| Mario Williams | Titanic | 2018 | Actor | Teen Ensemble | Benedum Center |
| Mario Williams | Brigadoon | 2018 | Actor | Teen Ensemble | Benedum Center |
| Mario Williams | Peter Pan | 2019 | Actor | John Darling | Benedum Center |