James Earl Jones as Frye

José Ferrer as Nereus

Lila Kedrova as Sister Anna

Mary Louise Weller as Sherry Grice

Martin Kove as Neil Grice

Lydia Cornell as Barbara

Deborah Shelton as Madeline Grice

Sofia Seirli as Sister Elena

Despina Tomazani as Lethe's Mother

Rania Photiou as Lethe

Irini Tripkou as Virgin

Annabel Schofield as Vikki

Spyros Papafrantzis as Dionysis