1. Casey Cott
Episode: Season 18, Episode 19 "Conversion"
Where You Know Him: Cott plays Kevin on the CW show Riverdale
2. Sherri Saum
Episode: Season 15, Episode 17 "Gambler's Fallacy"
Where You Know Her: Saum plays Stef on the Fosters
3. Virginia Gardener
Episode: Season 17, Episode 20 "Fashionable Crimes"
Where You Know Her: Gardener plays Karolina on Marvel's Runaways on Hulu
4. Ella Anderson
Episode: Season 15, Episode 19 "Downloaded Child"
Where You Know Her: Anderson played Rachel in the Melissa McCarthy movie The Boss
5. Casey Thomas Brown
Episode: Season 16, Episode 15 "Pornstar's Requiem"
Where You Know Him: Brown played an escaped criminal in the Season 13 finale of Greys Anatomy
6. Dreama Walker
Episode: Season 16, Episode 10 "Forgiving Rollins"
Where You Know Her: Walker played June on two seasons of Don't Trust the B***** in Apt. 23
7. Iain Armitage
Episode: Season 18, Episode 8 "Chasing Theo"
Where You Know Him: Armitage plays Sheldon on Young Sheldon and Ziggy on Big Little Lies
8. Brad Garrett
Episode: Season 17, Episode 22 "Intersecting Lives"
Where You Know Him: He Spent 9 Years playing Robert on Everybody Loves Raymond
9. Marcia Cross
Episode: Season 16, Episode 16 "December Solstice"
Where You Know Her: She played Bree on Desperate Housewives
10. Alec Baldwin
Episode: Season 15, Episode 18 "Criminal Stories"
Where You Know Him: Everything?