Monsignor

Christopher Reeve

Father John Flaherty

Geneviève Bujold

Clara

Fernando Rey

Cardinal Santoni

Jason Miller

Don Vito Appolini

Adolfo Celi

Cardinal Vinci

Leonardo Cimino

The Pope

Tomas Milian

Father Francisco

Robert Prosky

Bishop Walkman

Joe Pantoliano

Pvt. Joe Musso

Milena Vukotić

Sister Verna

Ian Danby

Lieutenant

Harrison Muller Jr.

2nd Soldier

David Mills

Major

Joe Cortese

Ludovico 'Lodo' Varese

Gregory Snegoff

1st Soldier

Joe Spinell

Bride's Father

Pamela Prati

1st Roman Girl

Ritza Brown

Maid of Honor

Loredana Grappasonni

Bride

Ettore Mattia

Pietro