The newest cast additions for Yellowstone spinoff Y: Marshals should look familiar.

Three series regulars will join Luke Grimes (Kayce Dutton) and Kelsey Asbille (Monica) for the CBS procedural.

Y: Marshals will begin on CBS midseason this year.

The show will fill the Sunday 9PM ET time slot once it begins.

The youngest Dutton will pivot to a role as a U.S. Marshal out of Montana.

Earlier this summer, the Dutton Rules podcast team predicted Asbille and Brecken Merrill would return. Merrill plays Tate Dutton (Kayce and Monica's son), and the latest cast update confirms he's on board. It should be interesting to see what stage of life the character is in, as in real life he's nearing his college-aged years.

Which Yellowstone Cast Members Are Joining Y: Marshals ?

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