The show relies heavily on a small cast of esoteric characters, including:  rugby league fanatic Colin; everyman Brian, who comes closest to being the group's leader; and Graham and Janet, a bland couple who struggle over the issue of having children.
The program features a limited cast of unusual personalities, comprising: Colin, a passionate rugby league supporter; Brian, an ordinary individual who acts as the group's de facto leader; and Graham and Janet, a pair of unassuming individuals struggling to reconcile their differing views on having children.