The evil King Zagro has designs on the beautiful Princess Sira. He wants to marry her so he can take over her kingdom and add it to his own. When Sira is kidnapped, Ursus leaves his farm to rescue her and to eventually lead a revolt against King Zagro.
Unfortunately the movie The Vengeance of Ursus is not yet available on HBO Max.
| Directing | Luigi Capuano | Director |
| Writing | Marcello Ciorciolini | Screenplay |
| Writing | Roberto Gianviti | Screenplay |
| Writing | Giovanni Scolaro | Screenplay |
| Camera | Oberdan Troiani | Director of Photography |
| Sound | Carlo Innocenzi | Original Music Composer |
| Costume & Make-Up | Adriana Cassini | Hairstylist |
| Camera | Luigi Troiani | Assistant Camera |
| Editing | Antonietta Zita | Editor |
| Art | Alfredo Montori | Production Design |
| Directing | Gianfranco Baldanello | First Assistant Director |
| Directing | Nellita Zampieri | Script Supervisor |
| Sound | Mario Del Pezzo | Sound |
| Production | Augusto Dolfi | Unit Manager |
| Costume & Make-Up | Duilio Scarozza | Makeup Artist |
| Production | Ferdinando Felicioni | Production Manager |
| Art | Camillo Del Signore | Set Decoration |
| Costume & Make-Up | Antonia Quilici | Costume Design |
| Crew | Franco Fantasia | Master at Arms |
| Camera | Mario Sensi | Camera Operator |
| Writing | Marcello Ciorciolini | Story |
| Production | Giulio Pappagallo | Unit Manager |
