Over 20 years ago, George Perry dismissed this film as 'unconvincing and cliché-ridden, and not for a moment are its players believable Yugoslavs.' (Perry 1981, 72) Putting aside the latter notion of how Ealing would populate a film with 'believable Yugoslavs,' that is a harsh criticism of a solid and enjoyable piece of filmmaking that both resembles and departs from standard Ealing wartime fare.