Richard Schiff and Olympian McKayla Maroney are to guest star in Bones.
They will appear in the same episode, which centres on Brennan (Emily Deschanel) attempting to solve the murder of lonely physicist Leon Watters's (Schiff) daughter.
Maroney is to portray a rival of the murder victim, according to Entertainment Weekly.
Schiff is best known for starring in The West Wing as White House Communications Director Toby Ziegler.
He also recently played Dr Hamilton in director Zack Snyder's blockbuster Man of Steel.
Olympic gymnast Maroney's previous acting experience includes a role in The CW's Hart of Dixie.
Bones returns to Fox on Monday, November 4 at 8pm ET.
Justin is a freelance entertainment journalist and writer. He first joined Digital Spy as a freelance entertainment reporter in 2010 and also worked as a sub-editor for the brand, serving as Night News Editor from 2016 to 2024. Over more than a decade, Justin has covered numerous major entertainment events from the US and has interviewed a wide-ranging group of public figures, from comedian Steve Coogan to icons from the Star Trek universe, cast members from the Marvel Cinematic Universe and reality stars from numerous Real Housewives cities and the Below Deck franchise. Justin has also been on the ground to cover major pop culture events like the Star Wars Celebration and the D23 Expo. He's written for titles across the Hearst network, plus the likes of CBR and Us Weekly.
