Very early in the film, Dickens introduces a member of his acting troupe as "Mr. Berger" with a 'soft' g, like a j; moments later, he refers to him as "Mr. Berger" with the g pronounced as 'hard'. There's no explanation for this discrepancy.
When collecting cash for the hospital, there is an 1895 Crown coin on the plate. Charles Dickens died in 1870.