Arye Gross has signed up for a guest role in the fourth season of Fringe.

The Castle star will appear in the fifth episode of the new run, according to TV Guide.

Gross will play Malcolm Truss, a middle-aged scientist who crosses paths with Olivia (Anna Torv) and Walter (John Noble) during the course of their latest investigation.

The actor has previously featured in episodes of The Mentalist, Leverage and CSI: NY. He will also play a guest role in new Lifetime crime drama The Protector.

Other stars confirmed to appear in the new season of Fringe include Dirty Sexy Money actress Michelle Krusiec and The Shawshank Redemption's William Sadler, who will reprise his role as Dr Bruce Sumner.

Series star Joshua Jackson recently claimed that his character Peter Bishop will be "a changed man" when he returns to the show.

Fringe will return to Fox on Friday, September 23 at 9/8c.

> Fringe John Noble: 'The Walters will form an alliance'

Watch a video teaser for the fourth season of Fringe below:

This content is imported from YouTube. You may be able to find the same content in another format, or you may be able to find more information, at their web site.

This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. You may be able to find more information about this and similar content at piano.io