Director:
Roberto Rossellini
Story:
Roberto Rossellini (ispirato ai "Fioretti" di San Francesco)
Screenplay:
Federico Fellini, Brunello Rondi (non accreditato)
Religious adviser:
padre Felix Morlion, padre Antonio Lisandrini
Cinematography:
Otello Martelli
Music:
Renzo Rossellini (canti liturgici di Padre Enrico Buondonno)
Film editing:
Jolanda Benvenuti
Production design:
Virgilio Marchi
Costume design:
Marina Arcangeli
Set decorator:
Giuseppe Rissone
Second assistant director:
Marcello Caracciolo (Di Laurino), Brunello Rondi
Camera operator:
Luciano Trasatti
Assistant camera:
Roberto Gerardi, Enrico Betti Berutto
Sound:
Eraldo Giordani, Raffaele Del Monte
Production manager:
Luigi Giacosi
Production supervisor:
Mario Gabrielli
Production secretary:
Mimmo Salvi
Script supervisor:
Gianfranco Parolini