She will receive a credit as the show's creator and will play an as-yet-undetermined on-air role.

"There wasn't a person whose on-air role wasn't altered, so of course there was anxiety," he said.

It is also important that off-air activities do not undermine the on-air role of regular presenters.

Belfield worked for two years in various production and on-air roles.

Many volunteers fulfill both on-air and off-air roles, including assisting with outside broadcasts and promoting the station.

He is best known for his various on-air roles on Channel Nine from 1978.

Keenan worked behind the camera as a producer before moving into an on-air role.

In some cases, particularly for presenters of journalistic or factual programmes, commercial interests may be deemed incompatible with their on-air role.

Along with serving as the executive producer, he also has an on-air role.

In 1986, Phillips landed his first major on-air role as a correspondent for 20/20.