Mario is considered a top professional today in Rio de Janeiro and Los Angeles as a voice talent in major projects in Brazilian Portuguese dubbing services in constant demand for Brazilian Portuguese-related jobs.
He has lent his vocal skills to more than 350 feature films, 59 miniseries 2700 cartoons, promos, interstitials, narrations, and 122 corporate keynote speeches, town hall annual reports, and other voice-related jobs.
| 1 Voice-over Artists | 1 | 2 | 3 | Accented English | Video | Add |
| Brazilian - Mario C Info |
| 1 Voice-over Artists | 1 | 2 | 3 | Accented English | Video | Add |
| Brazilian - Mario C Info |
| 1 Voice-over Artists | 1 | 2 | 3 | Accented English | Video | Add |
| Brazilian - Mario C Info |
| 1 Voice-over Artists | 1 | 2 | 3 | Accented English | Video | Add |
| Brazilian - Mario C Info |
| 1 Voice-over Artists | 1 | 2 | 3 | Accented English | Video | Add |
| Brazilian - Mario C Info |
| 1 Voice-over Artists | 1 | 2 | 3 | Accented English | Video | Add |
| Brazilian - Mario C Info |
