Jimmy Smits returns to TV this fall on Showtime's "Dexter"

Jimmy Smits has joined the cast of Showtime's drama series "Dexter." Smits will portray Miguel Prado, an ambitious assistant district attorney who comes from one of Miami's most politically powerful families.

Dexter (Michael C. Hall), a blood-spatter expert for the Miami Police Department who moonlights as a serial killer, will join forces with Prado, who has risen in the ranks because his aggressive stance against crime, in the pursuit of a murderer who affects both of their lives directly.

Smits will be featured in 10 of the third season's 12 episodes, scheduled to premiere in the fall.