What a cast of characters!

The young female campaign worker who took part in a “throuple” relationship with embattled California Rep. Katie Hill and her now-estranged husband appeared in an episode of a 2018 docuseries spotlighting the Democrat’s campaign — alongside the lawmaker’s male legislative staffer and purported lover.

Both Morgan Desjardins, a 24-year-old campaign worker for the 32-year-old Hill, and Graham Kelly — with whom Hill has vehemently denied having an affair — made cameos in a May 2018 episode of the Vice News docuseries “She’s Running,” which followed the emerging pol as she got her first campaign off the ground.

“Politics is really weird in that you never know if someone is truly telling you the truth,” Desjardins declares in the episode, during a trip with Hill to the state Democratic Convention in San Diego.

In several other scenes, Hill calls potential donors as Desjardins sits by her side holding up a script.

“It’s fun but it’s incredibly boring,” the young staffer said.

Desjardins was seen trailing behind Hill in another scene, carrying her bag for her.

During his appearance, Kelly called Dejardins “the one who makes sure Katie gets places on time.”

Reports of the “throuple” arrangement first emerged last week, when the conservative blog RedState reported accusations that Hill had twice violated House rules against sex with subordinates.

The outlet backed up its claim with photos of Hill and Desjardins — who was named by the Daily Mail on Thursday — embracing and locked in a kiss.

Another photo posted by the site shows a nude Hill brushing the young subordinate’s hair.

Hill’s estranged husband, Kenny Heslep, apparently had no problem with his wife’s interest in Desjardins because he was a willing participant, according to reports.

But surfacing allegations that Hill was carrying on a solo affair with Kelly — which the congresswoman called “completely false” — prompted Heslep to file for divorce, according to RedState.

Heslep also made a cameo in the Vice episode.