Jurnee Smollett-Bell will reunite with "Underground" showrunner and co-creator Misha Green in the upcoming HBO series "Lovecraft Country." Smollett-Bell will play Letitia "Leti" Dandridge, who joins a friend on a search for his father in this 1950s-set drama. Green joins Jordan Peele as executive producers on the project.

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Katee Sackhoff is blasting off again, as the former "Battlestar Galactica" star has joined the upcoming, 10-episode series "Another Life" on Netflix. Sackhoff will play an astronaut who investigates an alien artifact with her crew, which encounters adventures along the way.

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Past IMDb STARmeter Award-winner Tatiana Maslany will join Diego Luna (Rogue One: A Star Wars Story) and Emile Hirsch in the voice cast of the third and final season of Netflix's "Trollhunters." Maslany and Luna will take their same characters to Guillermo del Toro's "Trollhunters" follow-up, "Tales of Arcadia," also for Netflix.

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Forest Whitaker will play a 1960s crime boss in the upcoming Epix series "Godfather of Harlem." The show is designed as a precursor to the 2007 movie American Gangster. Whitaker also is an executive producer on the project.

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The revisiting of Armistead Maupin's "Tales of the City" has drawn a series order at Netflix, with Ellen Page joining the cast as the daughter of Laura Linney's returning character, Mary Ann Stapleton. Olympia Dukakis also is slated to return, reprising her role from various iterations of the TV mini-series.

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Aidy Bryant of "Saturday Night Live" will star in "Shrill," a comic adaptation of Lindy West's memoir "Shrill: Notes from a Loud Woman" for Hulu. Elizabeth Banks and Lorne Michaels are also attached to the project.

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Anson Mount ("Inhumans") will board the USS Enterprise as Capt. Christopher Pike in Season 2 of CBS All Access' "Star Trek: Discovery." Mount announced the role on Twitter. Comedienne Tig Notaro also reportedly will guest star when the series returns.

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Kyle Chandler has joined the cast of Hulu's limited series "Catch-22," moving into the Col. Cathcart role previously attached to George Clooney. Clooney, who remains on the project as a co-director and executive producer, will move to a smaller on-screen role as a training commander at the cadet school in the adaptation of the Joseph Heller novel.

Noah Emmerich will move from one spy series to another, as "The Americans" regular has signed on to join Sacha Baron Cohen in Netflix's "The Spy." Cohen will star as 1960s Israeli spy Eli Cohen, with Emmerich as his Mossad trainer in the six-episode drama.

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Ian Somerhalder is sticking with the vampire thing, as "The Vampire Diaries" star will portray Dr. Luther Swann in "V-Wars." Somerhalder's character will watch as a friend devolves into the underground leader of disease-stricken people-eaters. Netflix picked up a 10-episode order of the series after Hulu reportedly passed.

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Matt Ryan has joined the cast of "Legends of Tomorrow" as a series regular in Season 4. Ryan will reprise his role as the chain-smoking demon hunter John Constantine from the short-lived NBC series "Constantine."

Maya Thurman-Hawke has joined the cast of "Stranger Things" for Season 3 as one of the new leads. Thurman-Hawke will play an "alternative girl" bored with her mundane day job. She seeks excitement in her life and gets more than she bargained for when she uncovers a dark secret in Hawkins, Ind.

Priah Ferguson, who plays Lucas’ strong-willed little sister, Erica, has also been upped to a recurring role. The scene-stealer returns in the next installment with an army of her own friends. No longer content with sitting on the sidelines, Erica finds herself on a wild mission to save Hawkins from a dangerous new threat.

Alyson Hannigan will star in the Kerry Washington-produced comedy "Man of the House," a hybrid sitcom is a family comedy about two recently divorced sisters who move in together to raise their kids under one roof, including a young football star left to figure out what manhood means in a world where he’s now completely surrounded by females. Hannigan plays one of the sisters.

Zeeko Zaki will star in "FBI," straight-to-series drama from Dick Wolf. Zaki will play FBI special agent OA, who made it from Bushwick to West Point, and has both the confidence and the will of someone who has had to fight every step of the way. After he spent two years undercover, the DEA abruptly ripped him out, and he was cherry-picked by the FBI.

Chosen Jacobs has joined the cast of Hulu's upcoming series "Castle Rock." Jacobs will play Wendell Deaver, the son of Henry Deaver (Andre Holland). Deaver is a death-row attorney who has a connection to Bill Skarsgard's character, a prisoner at Shawshank prison.

Janina Gavankar has joined the cast of "Daddy Issues," an Erin Foster comedy pilot for FOX. Loosely based on Foster's life, the comedy revolves around Andi (Foster), a single 30-something who refuses to settle down, and her playboy dad (Don Johnson). Andi's world is turned upside down when she discovers her dad has fallen in love with her best friend (Gavankar).

The "Magnum P.I." reboot pilot has cast Jay Hernandez as the iconic private eye, previously played by Tom Selleck. Hernandez will play Thomas Magnum, a decorated ex-Navy SEAL who, upon returning home from Afghanistan, repurposes his military skills to become a private investigator.

Kristin Chenoweth is joining the second season of NBC's "Trial & Error.” Chenoweth will play suspected killer Lavinia Peck-Foster, who is described as the first lady of East Peck and a larger-than-life grand dame — at least in her own mind. Lavinia calls on the team that got off Owl Murderer Larry Henderson (John Lithgow) — to defend her after she was found with her husband, Edgar, stuffed into a suitcase in the back of her car.

"The Walking Dead" star Lauren Cohan has booked the lead role in the ABC drama pilot "Whiskey Cavalier," an hour-long action dramedy that follows the adventures of tough but tender FBI super agent Will Chase (Scott Foley) who, following an emotional break-up, is assigned to work with CIA operative Francesca “Frankie” Trowbridge (Cohan).

Katie Holmes will star in a new, untitled drama pilot for Fox from Ilene Chaiken and Melissa Scrivner Love. Holmes will play FBI special agent Hazel Otis, who is investigating a domestic terrorism threat when a personal indiscretion — an affair with a prominent general — shatters her life and threatens her career at the FBI. Holmes will also serve as an executive producer on the project.

Judy Greer has been cast in the upcoming Showtime series "Kidding." Jim Carrey will star as Jeff, aka Mr. Pickles, an icon of children’s television. Greer will play Jill, Jeff’s estranged wife who has recently hit a rebellious streak. She joins previously announced cast members Catherine Keener, Justin Kirk, and Frank Langella.

Mary J. Blige has signed on for her first series regular role in "The Umbrella Academy," the TV adaptation of Gerard Way's comic series. The series follows the estranged members of a dysfunctional family of superheroes who work together to solve their father’s mysterious death while coming apart at the seams because of their divergent personalities and abilities.

Diane Lane and Greg Kinnear have joined the cast of the final season of "House of Cards." No details have been revealed about their characters but the two will be playing siblings.

Meryl Streep has joined the cast of "Big Little Lies" Season 2 on HBO. Streep will play Mary Louise Wright, the mother of Perry Wright (Alexander Skarsgård). Concerned for the well-being of her grandchildren following Perry’s death, Mary Louise arrives in Monterey, Calif., searching for answers.

"Jane the Virgin" fan favorite Brett Dier is set to star in the CBS comedy pilot "History of Them." The project recounts how two friends, Luna ("South Beach" star Ana Villafañe) and Adam (Dier), met and fell in love, using the couple’s social-media profiles as a guide. Adam is described as an adorable and slightly nerdy web cartoonist who is determined to sow his oats before getting into his next long-term relationship.

As "Girlfriends' Guide to Divorce" comes to an end, Lisa Edelstein is developing an hour-long series adaptation of "Confessions of a Sociopath." Based on M.E. Thomas' book, "Confessions of a Sociopath" centers on a woman (Edelstein) who is clinically diagnosed as a sociopath and must figure out how to live her life with this knowledge. Edelstein is co-writing the pilot with Carol Barbee.

Kristen Wiig has signed on to star and executive produce a new untitled, half-hour comedy series for Apple. Produced by Reese Witherspoon’s Hello Sunshine, the series is inspired by Curtis Sittenfeld's short-story collection "You Think It, I'll Say It." Colleen McGuinness will serve as creator/showrunner and executive producer.

Scoot McNairy is the latest addition to the “True Detective” Season 3 cast, joining Mahershala Ali, Carmen Ejogo, and Stephen Dorff. The third season spans several decades and is divided into three separate time periods. McNairy will play Tom, a father with connections to state police.

Helena Bonham Carter is in final talks to play Princess Margaret on "The Crown." She is taking over for Vanessa Kirby, who portrayed the fan favorite during the first two seasons. The next round of episodes will jump forward in time, necessitating a casting change.

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