|Lisa Rinna guest stars on CSI tonight at 9 p.m. ET/PT on CBS.|
15 CSI: Crime Scene Investigation (9 p.m. ET) - Hunter King (Summer, The Young and the Restless); Lisa Rinna (ex-Billie, Days of our Lives); Harley Graham (ex-Alexandria, The Bold and the Beautiful)
Rinna guest stars in the first hour of new back-to-back episodes as Tori Nolan, the wife of the director of the San Diego crime lab whose daughters go missing. King and Graham play Rinna's daughters, Lexi and Cara.
15 CSI: Crime Scene Investigation (10 p.m. ET) - Mark Valley (ex-Jack, Days of our Lives); Eric Roberts (ex-Ted, Another World)
16 The View - Terrence Howard (Lucious, Empire)
16 The Originals - Nathan Parsons (ex-Ethan, General Hospital)
Parsons is a recurring guest star in the role of Jackson.
16 Gotham - Robert Gorrie (ex-Matthew, One Life to Live)
Gorrie plays John Grayson.
17 The Queen Latifah Show - Peter Bergman (Jack, The Young and the Restless); Joshua Morrow (Jack, The Young and the Restless); Bryton James (Devon, The Young and the Restless); Daniel Goddard (Cane, The Young and the Restless); Justin Hartley (Adam, The Young and the Restless)
17 The View - Ryan Paevey (Nathan, General Hospital); Naya Rivera (Santana, Glee)
Paevey and Rivera guest co-host.
17 The Flash - Roger Howarth (Franco, General Hospital)
Howarth returns as Mason Bridge. Mason tells Iris (Candice Patton) that there is something secretive going on at S.T.A.R. Labs.
17 Chicago Fire - Bree Williamson (ex-Jessica, One Life to Live)
Casey (Jesse Spencer) starts seeing a new woman, Beth (Williamson), but interesting complications quickly unfold.
19 The View - Taraji P. Henson (Cookie, Empire)
19 The Chew - Jussie Smollett (Jamal, Empire)
19 The Vampire Diaries - McKenna Grace (ex-Faith, The Young and the Restless)
19 The Big Bang Theory - Nathan Fillion (ex-Joey, One Life to Live)
In a cameo, Fillion is said to be playing himself, or is he?
19 The Blacklist - Eric Nelsen (ex-AJ, All My Children)
19 Allegiance - Patricia Kalemnber (ex-Meredith, Texas)
19 How to Get Away with Murder - Cicely Tyson (ex-Martha, Guiding Light)
20 Hawaii Five-0 - Melina Kanakaredes (ex-Eleni, Guiding Light)
22 Brooklyn Nine-Nine - Kyra Sedgwick (ex-Julia, Another World)
23 Gotham - Sharon Washington (ex-Laurie, One Life to Live)
24 Marvel's Agent Carter - Lyndsy Fonseca (ex-Colleen, The Young and the Restless); Erin Torpey (ex-Jessica, One Life to Live)
24 Forever - Mackenzie Mauzy (ex-Phoebe, The Bold and the Beautiful); Hilarie Burton (ex-Peyton, One Tree Hill); Janet Zarish (ex-Janet, One Life to Live)
25 Law & Order: Special Victims Unit - Marcia Cross (ex-Liz, The Edge of Night)
1 The Simpsons - Yaya DaCosta (ex-Cassandra, All My Children)
1 The Good Wife - Laura Benanti (Sadie, Nashville)
3 Marvel's Agents of S.H.I.E.L.D. - Henry Simmons (ex-Tyrone, Another World); Kyle Maclachlan (Dale, Twin Peaks); Kathryn Leigh-Scott (ex-Maggie, Dark Shadows)
4 The Middle - Matthew Atkinson (Austin, The Young and the Restless)
Frankie finds herself innocently flirting with Axl's hot friend, Finn (Atkinson). But when she makes a not-so-innocent remark about him to her sister, she fears that both Finn and Axl may have overheard her conversation.
4 CSI: Cyber - Robert Gant (David, The Young and the Restless)
4 Nashville - Scott Reeves (ex-Steven Lars, General Hospital)
15 Once Upon A Time - Sebastian Roche (Jerry, General Hospital)
Roche will play King Stefan, the father of Aurora (Sarah Bolger), who has a complicated past with Maleficent (Kristin Bauer Van Straten).
1 6th Annual Indie Series Awards - Eric Martsolf (Brady, Days of our Lives)
Martsolf is hosting this year's ISAs from the historic El Portal Theatre.
TBD Family Guy - Bryan Cranston (ex-Walter, Breaking Bad)
TBD Family Guy - Jon Hamm (ex-Don, Mad Men)
TBD Family Guy - Jeff Daniels (Will, The Newsroom)
TBD CSI: Cyber - McKenna Grace (ex-Faith, The Young and the Restless)
TBD The Following - Eric Nelsen (ex-AJ, All My Children)
TBD The Last Ship - Bren Foster (ex-Quinn, Days of our Lives)
TBD Mistresses - Justin Hartley (Adam, The Young and the Restless)
TBD Radio Hype (Hallmark Channel Movie) - Alison Sweeney (ex-Sami, Days of our Lives)
TBD The Vampire Diaries - Brooke Newton (ex-Colby, All My Children)
TBD Veep - Orlagh Cassidy (ex-Doris, Guiding Light)
TBD Winterthorne - Linda Gray (ex-Sue Ellen, Dallas)
If you see a name missing or find out an official airdate, add it in our Comments section. We've included one familiar role for each actor (many of them are known for several roles).