[The characters of Behan's The Quare Fellow] are not very precisely individualized, for Behan's style is essentially more narrative than strictly dramatic and he could hardly be farther from psychological drama, but all are observed with a rich, all-embracing humanity…. (p. 103)

[The principle upon which the play is built is that] in prison, even when an execution is imminent, comedy and tragedy are inextricably mixed, as everywhere else in life, and the memento mori is seldom without its gruesome humour. Murder is horrible, and legalized murder, in cold blood, with the best of intentions, is even more horrible, but the direct attack is not always the most effective, and Behan invites us not only to pray at this funeral, but to drink as well, to laugh and shout and sing as well as to weep and wail and shudder. His theme, basically, is the inalienable dignity of man...