There’s a touch of Gogol-esque satire in a subplot in which two investigating detectives... are thwarted by hospital bureaucrats... [and] Similarly, while Redmayne mostly plays his murderer at a low hum, he allows himself one scene to unleash his big mime energy...
The problem is that the whole movie is in minor key. It’s as if respect for the admittedly brave protagonist of this true story was so overwhelming that the creators forgot to give their film a pulse.
I’d argue we could have been given slightly more, especially in the telling of Cullen’s crimes and past, but The Good Nurse remains a good, if not ultimately great, attempt to tell the story of a very bad person.