Continuity mistake: When Henry Bell is ready to jump off Tower Bridge he is soaking wet. He hears a woman crying help, gets down to investigate and is much drier. (00:04:00)
Continuity mistake: After Antony arrives at the house to get Imogen after her fall from the horse, the mud on her face changes. (00:36:55)
Continuity mistake: When Karen is getting a pen for Bruce to sign his letters, she opens her pencil case twice. (00:38:25)
Continuity mistake: When Bruce and Hillary are talking in the wine bar, in the shots of Bruce the level of the wine is below the top of the label but in the shots of Hillary it is above. (01:07:10)
Continuity mistake: At the duel, Henry throws down his shotgun and it looks like it is going to land perpendicularly some distance from him, but in the next shot it of course lands close by his feet pointing right at Antony. (01:13:40)