Mary Tudor falls in love with a new arrival to court, Charles Brandon. She convinces her brother King Henry VIII to make him his Captain of the Guard. Meanwhile, Henry is determined to marry her off to the aging King Louis XII of France as part of a peace agreement.
Unfortunately the movie When Knighthood Was in Flower is not yet available on Disney Plus.
| Directing | Robert G. Vignola | Director |
| Writing | William LeBaron | Writer |
| Writing | Charles Major | Novel |
| Writing | Luther Reed | Adaptation |
| Art | Joseph Urban | Art Direction |
| Crew | Harry Redmond Sr. | Special Effects |
| Costume & Make-Up | Gretl Urban Thurlow | Costume Design |
| Art | Joseph Urban | Set Decoration |
| Camera | Ira H. Morgan | Director of Photography |
| Camera | Harold Wenstrom | Director of Photography |
| Art | Arthur Scanlon | Props |
| Art | Arthur Scanlon | Sculptor |
| Sound | William Frederick Peters | Original Music Composer |