Quarterpast will feature vocal contributions from musicians as:
- Mark Jansen (EPICA, ex-After forever)
- Ariën van Weesenbeek (Epica)
- Jack Driessen (ex-After forever)
- Floor Jansen (Revamp, ex-After forever)
- Simone Simons (Epica)
- Henning Basse (Sons Of Seasons)
- Laura Macrì (Italian opera singer)
MAYAN is:
- Mark Jansen (Epica, ex-After forever) – Guitar, Vocals
- Jack Driessen (ex-After forever) - Keyboards
- Frank Schiphorst - Guitar, Vocals
- Jeroen Paul Thesseling (Pestilence, Obscura) - Bass
- Isaac Delahaye (Epica) - Guitar
- Ariën van Weesenbeek (Epica) - Drums
