If you can't recognise who that is chuckling at the start and later on you shouldn't be watching this film in the first place, since you've probably also never seen any of the screen versions of Edgar Wallace's 'The Ringer' (such as 'The Gaunt Stranger', which opened just a few months later).
Although billed sixth, Alistair Sim has a showy part impersonating a clergyman; and its ironic to see a relatively young Bernard Lee spending most of the film pretending to be sozzled, since by the time he'd become well-known as 'M' in the James Bond films he was required to pretend that he wasn't. (Ditto Wilfrid Lawson, who even then visibly has to make an effort simply to walk in a straight line.)
The ending is an absolute riot!!
Although billed sixth, Alistair Sim has a showy part impersonating a clergyman; and its ironic to see a relatively young Bernard Lee spending most of the film pretending to be sozzled, since by the time he'd become well-known as 'M' in the James Bond films he was required to pretend that he wasn't. (Ditto Wilfrid Lawson, who even then visibly has to make an effort simply to walk in a straight line.)
The ending is an absolute riot!!