Whistleblower (The Office) fourth appearance on the show, after first appearing in "Sabre". Zach Woods made his ninth appearance on the show. While talking with his real estate agent on his cellphone, Dwight states that the office park is 1725 Slough Avenue. "Slough" is a reference to the UK edition of "The Office" which is set in Slough, United Kingdom. In its original American broadcast, "Whistleblower" was viewed by an estimated 6.60 million viewers with a 3.4 rating/10% share in the 18–49 demographic coming second in its timeslot after the season finale of "Grey's Anatomy", receiving the same rating as last week's episode,
Gladstone Post Office 1941 to 1952 favoured the "porch, parapet and hip" design. The Gladstone Post Office was the only one of the Queensland "twin porch" masonry post offices to include a clock tower, illustrating Gladstone's role as an important regional centre. The existing clock mechanism, already recycled from Maryborough and dating to at least 1900, was overhauled and used again in the new building. In 1932 the Gladstone Town Council agreed to illuminate, each night until midnight, the faces of the town clock which was to be installed in the new post office. The new post office was opened officially on 23