Aldo Fabrizi

Nicolaio, il Tiranno di Viterbo

Gianfranco Bellini

Narrator (voice)

Peparuolo

Giovanni il Sempliciotto

Severino Pisacane

Fra' Ginapro (as Fra' Severino Pisacane)

Roberto Sorrentino

Nazario Gerardi

San Francesco (uncredited)

Arabella Lemaitre

Santa Chiara (uncredited)

Renzo Rossellini

Narrator (voice) (uncredited)

Roberto Rossellini