Feb. 12 (UPI) -- Lou Diamond Phillips' Young Guns co-star Dermot Mulroney has joined the cast of Phillips' cop drama Prodigal Son.
"C'mon now! Has it really been 30 years! 'Dirty Steve' cleans up pretty damn good, don't he! So overjoyed to be reunited with my old saddle mate, Dermot Mulroney! Oh yeah, the bullets are gonna fly! #YoungGuns #ProdigalSon @JohnFusco12 #Pals @prodigalsonfox @ProdigalWriters," Phillips tweeted Tuesday.
Phillips also shared a photo of him, Mulroney and Prodigal Son co-star Bellamy Young.
Deadline.com said Mulroney will play a wealthy murder witness in the last five episodes of the show's first season. His first episode is to air on March 30.
Prodigal Son casts Tom Payne as Malcolm Bright, a consultant for the New York Police Department and the son of Dr. Martin Whitly, a serial killer played by Michael Sheen.