Gregorian choir sings modern pop songs, arranged in the style of the chants sung by medieval monks.
| Actor | Role |
|---|---|
| JJonathan ClucasGregorian Singer | Gregorian Singer |
| DDaniel HoadleyGregorian Singer | Gregorian Singer |
| GGerard O'BeirneGregorian Singer | Gregorian Singer |
| RRichard CollierGregorian Singer | Gregorian Singer |
| RRichard NaxtonGregorian Singer | Gregorian Singer |
| LLawrence WhiteGregorian Singer | Gregorian Singer |
| RRobert FardellGregorian Singer | Gregorian Singer |
| CChristopher TicknerGregorian Singer | Gregorian Singer |
| JJan Eric KohrsKeyboard Player | Keyboard Player |
| GGunther LaudahnGuitar, Harp & Percussion Player | Guitar, Harp & Percussion Player |
 Amelia BrightmanVocalist & Flute Player | Vocalist & Flute Player |