Fall TV 2017 Cast Changes: Who’s Leaving and Joining Your Favorite Shows?

Fall TV is always a little unpredictable, with renewals, cancellations, and untested (but intriguing!) new programs. Often, when your favorite TV shows come back for another season, you'll notice a few new names — or sometimes, a few missing faces. We've compiled some of the most major and interesting cast changes you'll notice on this year's fall TV lineup. Click through to see who's leaving (or joining!) your favorite shows. (photos via ABC/Eike Schroter + Patrick Ecclesine/FOX + ABC/Richard Cartwright + Jack Rowand/ABC via Getty Images)

Leaving The 100 (The CW): Isaiah Washington, AKA Thelonious Jaha, will not return for season five. (Photo via The CW)

Leaving The Blacklist (NBC): Enrique Murciano, who joined the cast in season four, will not return as FBI investigator Julian Gale. (Photo via Scott Gries/NBC/NBCU Photo Bank via Getty)

Joining The Blacklist (NBC): Ryan Eggold returns to reprise his role as Tom Keen for season five after the cancellation of his spinoff, The Blacklist: Redemption. (Photo via Will Hart/NBC/NBCU Photo Bank via Getty)

Joining Chicago Fire (NBC):Fifty Shades of Grey's Eloise Mumford will play a recurring role as an old friend of Sylvie's. Her character is described as a "playful, charming girl-next-door turned up a notch." (Photo via Larry Busacca/Getty Images for Tribeca Film Festival)

Leaving Chicago P.D. (NBC): Sophia Bush shocked fans in May when she announced she would be leaving the starring role of Detective Erin Lindsay after four seasons. (Photo via Matt Dinerstein/NBC/NBCU Photo Bank via Getty)

Joining Empire (Fox): After making her debut in the season three finale, Demi Moore (pictured above) will recur in season four as a nurse with a mysterious past. Forest Whitaker also joins the cast as a music icon who gave Lucious one of his early breaks. His character will be producing a song in celebration of Empire Entertainment’s 20th anniversary, according to Variety. (Photo via Chuck Hodes/FOX)

Leaving The Exorcist (Fox): Geena Davis (pictured above), Alan Ruck, Hannah Kasulka, and Brianne Howey will not return for season two — although creator Jeremy Slater told Deadline they could return at some point. (Photo via Patrick Ecclesine/FOX)

Joining The Exorcist (Fox): John Cho (Harold & Kumar, Sleepy Hollow)is joining the cast as a former child psychologist who now runs a group home. (Photo via Mathieu Young/FOX)

Joining Gotham (Fox):Teen Wolf's Crystal Reed joins the upcoming season as the daughter of Don Falcone. Her character will help Gordon take down the Penguin. (Photo via Tommy Garcia/FOX)

Leaving Grey's Anatomy (ABC): Jerrika Hinton is checking out as Dr. Stephanie Edwards after last season's explosive (literally) finale. (Photo via ABC/Bob D'Amico)

Joining Grey's Anatomy (ABC): Blast from the past! Kim Raver, AKA Dr. Teddy Altman, will return to Grey Sloan Memorial after exiting the show at the end of season eight. (Photo via Danny Feld/ABC via Getty)

Leaving Hawaii Five-0 (CBS): Series stars Daniel Dae Kim and Grace Park made a highly publicized exit from the show this year over reported pay inequality. (Photo via Neil Jacobs/CBS via Getty)

JoiningHawaii Five-0 (CBS): In the wake of Daniel Dae Kim and Grace Park's exits, the show promoted Ian Anthony Dale to series regular, and added Meaghan Rath (pictured above) and Beulah Koale to its cast for this season. (Photo via Larry Busacca/Getty)

Joining How to Get Away With Murder (ABC): Jimmy Smits will join Shonda Rhimes' TGIT block with a "major guest-starring arc" on HTGAWM this season. (Photo via Maarten de Boer/Getty Images Portrait)

Joining Jane the Virgin (The CW): Another Teen Wolf alum returns to the small screen: Tyler Posey first appeared in the season three finale as a blast from Jane's past. He'll return for a recurring arc in season four. (Photo via The CW)

Leaving Kevin Can Wait (CBS): In a pretty major shake-up on the Kevin James show, it was announced this summer that Erinn Hayes' character — Kevin's wife, Donna — would be killed off. The death did not go over well with fans. (Photo via Michael Parmelee/CBS via Getty)

Joining Kevin Can Wait (CBS): Kevin James' former King of Queens costar Leah Remini will replace Erinn Hayes. (Photo via Jeffrey Neira/CBS via Getty)

Joining Lucifer (Fox): Smallville's Tom Welling is back on your TV as he joins the fantasy police procedural as a police lieutenant who falls for Chloe. (Photo via Jason Bell/FOX)

Leaving Once Upon a Time (ABC): There are some major changes in store for season seven, including the departures of stars Jennifer Morrison, Ginnifer Goodwin, and Josh Dallas (all pictured above), as well as Emilie de Ravin and Jared Gilmore. (Photo via Jack Rowand/ABC via Getty)

Joining Once Upon a Time (ABC): The Walking Dead's Andrew J. West will replace Jared Gilmore, playing the adult version of Henry. Also joining the main cast: Dania Ramirez as Cinderella (pictured above with West), Mekia Cox as Princess Tiana, and Gabrielle Anwar as Lady Tremaine. (Photo via ABC/Eike Schroter)

Leaving Riverdale (CW): Ross Butler left his role as Reggie in order to film 13 Reasons Why. (Photo via Matt Winkelmeyer/Getty)

Joining Riverdale (CW):Mark Consuelos (pictured above) is joining the cast as Veronica's dad, Hiram Lodge; Supergirl alum Brit Morgan will play the Southside Serpents' lawyer, Penny Peabody; and Vanessa Morgan will shake things up as Toni Topaz. She might be trouble for Betty and Jughead — which Bughead fans are already not too happy about. Charles Melton, meanwhile, will replace Ross Butler as Reggie. (Photo via Rich Polk/Getty Images for Sony Pictures Television)

Leaving Saturday Night Live (NBC): Three major players will be missing from the cast this year: Vanessa Bayer, Sasheer Zamata (both pictured above), and Bobby Moynihan (who stars in CBS' new Me, Myself & I). (Photo via Will Heath/NBC/NBCU Photo Bank via Getty)

Joining Shameless (Showtime):Gossip Girl's Jessica Szohr will appear on season eight as a neighbor in Fiona's new apartment. (Photo via Mike Windle/Getty Images for POPSUGAR)

Joining Stranger Things (Netflix): Lots of new (and some familiar!) faces are joining the "bigger, darker, scarier" second season. Among them: '80s kid Sean Astin and '90s sitcom star Paul Reiser, along with Sadie Sink (pictured above), Dacre Montgomery, and Linnea Berthelsen, who plays a girl with mysterious connections to the supernatural goings on. Nashville's Will Chase also joins. (Photo via Netflix)

Leaving Supernatural (The CW): Mark Sheppard, AKA Crowley, will not be returning as a series regular on season 13 — although you never know when someone could come back from the dead on this show. (Photo via The CW)

Joining Supergirl (CW): Smallville alum Erica Durance (pictured above) will play Alura Zor-El in season three, replacing Laura Benanti (who last appeared at the beginning of season two). Also joining the cast: Odette Annable also as Reign, Agents of S.H.I.E.L.D. Adrian Pasdar as Morgan Edge, and Jane the Virgin's Yael Grobglas as Psi. (Photo via George Pimentel/Getty)