In 1570 wordt de weduwe prinses Ana de Mendoza het liefdesobject van een dodelijke rivaliteit tussen haar neef Don Inigo, koning Filips II van Spanje en zijn minister van Buitenlandse Zaken Antonio Perez.
Nee, helaas is That Lady nog niet beschikbaar op Netflix in Nederland.
| Writing | Sy Bartlett | Screenplay |
| Writing | Anthony Veiller | Screenplay |
| Production | Sy Bartlett | Producer |
| Production | Ronald Kinnoch | Associate Producer |
| Sound | John Addison | Original Music Composer |
| Camera | Robert Krasker | Director of Photography |
| Editing | Raymond Poulton | Editor |
| Art | Alfred Junge | Production Design |
| Art | Frank White | Art Direction |
| Art | Freda Pearson | Set Decoration |
| Costume & Make-Up | Mariano Andreu | Costume Design |
| Costume & Make-Up | Betty Lee | Hairstylist |
| Costume & Make-Up | John O'Gorman | Makeup Artist |
| Production | Ted Cotton | Production Manager |
| Art | Alfred Junge | Set Dresser |
| Directing | Denis O'Dell | Assistant Director |
| Directing | Peter Mullins | Assistant Director |
| Sound | Sash Fisher | Sound Recordist |
| Sound | Leslie Hodgson | Sound Recordist |
| Sound | Claude Hitchcock | Boom Operator |
| Crew | Peter Diamond | Stunts |
| Camera | John Harris | Camera Operator |
| Costume & Make-Up | Ivy Baker | Wardrobe Supervisor |
| Editing | Willy Kemplen | Assistant Editor |
| Directing | Betty Harley | Continuity |
| Sound | Muir Mathieson | Conductor |
| Sound | London Symphony Orchestra | Musician |
| Directing | Terence Young | Director |
| Writing | Kate O'Brien | Theatre Play |
