Gerard Johnstone is a New Zealand screenwriter and director. He is known for the comedy sitcom series The Jaquie Brown Diaries and the horror films Housebound and M3GAN.

Johnstone was born in Invercargill, New Zealand, where he attended Verdon College. In the early 2000s, Johnstone and Jaquie Brown worked together at C4. A few years later, they created a production company, Young, Gifted & Brown, to make the New Zealand sitcom The Jaquie Brown Diaries, based on a satirical fictionalised version of Brown. It began airing in 2008 with Johnstone serving as writer and director.

热拉尔·约翰斯通《M3GAN》而闻名。

约翰斯通出生于新西兰因弗卡吉尔，就读于维登学院。在 2000 年代初期，Johnstone 和 Jaquie Brown 在 C4 一起工作。几年后，他们成立了一家名为Young， Gifted & Brown的制作公司，制作新西兰情景喜剧《杰奎·布朗日记》（The Jaquie Brown Diaries），该剧改编自布朗的讽刺虚构版本。它于 2008 年开始播出，约翰斯通担任编剧和导演。