Did you know Peter Capaldi once auditioned for 'Star Trek: Deep Space Nine'?

Veteran actor Peter Capaldi had auditioned for a role in Star Trek: Deep Space Nine back in 1992.

The 59-year-old actor appeared in the audition to play Starfleet officer Benjamin Sisko in the popular sci-fi series, reported DigitalSpy.

A documentary about Deep Space Nine is currently in production and a tweet from the official DS9 documentary account put out the notes from a UK casting session featuring Capaldi's name.

This was followed by the handle releasing images of him and Merlin star Anthony Head auditioning for roles.

"Believe it or not, we've seen the audition footage. And it's awesome. #PeterCapaldi #DS9

"We can do you one better, @trekdocs. Here's a sneak peek at some original audition tapes from 1992. #DS9 #AuditionTapes #WhatWeLeftBehind," the tweets read.

We can do you one better, @trekdocs. Here's a sneak peek at some original audition tapes from 1992. #DS9 #AuditionTapes #WhatWeLeftBehind pic.twitter.com/zT56qpkxtB

— The DS9 Documentary (@DS9Doc) September 7, 2017

The role eventually went to actor Avery Brooks.