Showtime’s “Masters of Sex” has cast Andre Royo for Season 4, plus more in today’s TV news roundup…

CASTING

Andre Royo will be joining the cast of “Masters of Sex” for Season 4, Variety has learned exclusively.

Royo will be playing Sammy Davis Jr., who will meet Masters and Johson (played by Michael Sheen and Lizzy Caplan, respectively) when he performs on “Playboy After Dark” this season.

“Masters of Sex” Season 4 premieres on Sept. 11 at 10 p.m. on Showtime.

Blair Underwood will be joining the cast of “Quantico” for Season 2. Underwood will be playing a CIA agent who oversees the operatives. “Quantico” Season 2 will premiere on September 25 at 10 p.m. on ABC.

CBS has announced that Tony Dokoupil has been named a correspondent for CBS News in New York beginning August. Dokoupil will will report for all CBS News broadcasts and platforms. He joins CBS News after three years at NBC News where most recently he was a correspondent for MSNBC. His stories covered include the Paris climate agreement, the Flint water crisis and the armed occupation of federal land in Oregon. He also covered the presidential primaries and co-wrote “Continental Drift,” a 10-part global series on the migrant crises.

DATES

The CW has announced that it will be airing the first season of “Supergirl” on Monday nights, ahead of the Season 2 premiere on the show’s new network. Each Monday two episodes will air, starting August 1, until the new season premieres. “Supergirl” Season 2 will premiere on October 10 at 8 p.m. on The CW.

BBC America has announced the premiere date of “Chris Harris on Cars.” Based on his YouTube series, Harris will experience and experiment with the fastest cars on the road. “Chris Harris on Cars” premieres for a seven episode season on July 11 at 9 p.m. on BBC America.

Nickelodeon’s The Splat — the network’s programming block dedicated to its library of hits from the ‘90s and 2000s — will salute the 30th anniversary of “Double Dare” by bringing back original host Marc Summers for the first time in 16 years for a special live edition of the game show, which will stream live on The Splat’s Facebook page at 9:30 p.m. PT on Friday, July 22, during San Diego Comic-Con.

Smithsonian Channel will be celebrating the 50th anniversary of “Star Trek” with the two-hour special “Building Star Trek,” which will take a look at the impact “Star Trek” has had on the world and the film industry, delving into how “Star Trek” technology is being recreated and developed in the real world. The TV special will also follow the Smithsonian’s National Air and Space Museum conservation team as they try to restore and conserve the original U.S.S Enterprise. “Building Star Trek” will premiere on September 4 at 8 p.m. on Smithsonian Channel.