Letts' successor as Majority Leader and his one-time deputy, Paul Everingham, became the first Chief Minister in 1978.
[1][2] Jim Robertson, MLA, while not technically a member of the executive, served as Manager of Government Business throughout this period.
It was short-lived, as Bernie Kilgariff, who had replaced Paul Everingham in the executive in August, resigned from the Assembly in November to run for the Australian Senate.
Deputy Majority Leader Bernie Kilgariff had resigned in November 1976, requiring a reshuffle of the remaining executive members.
Former Deputy Majority Leader Paul Everingham disbanded his legal practice and returned from the backbenches to replace Letts as Majority Leader, later becoming the first Chief Minister of the Northern Territory, while both surviving members of the last Letts executive, Ian Tuxworth and Marshall Perron, would also later go on to serve as Chief Minister.