Benoist, who's had guest spots on "Homeland" and "The Good Wife" will join "Glee" Season 4 as Marley, while the relatively unknown Tobin will play Kitty, TVLine reports. Both characters are recurring.
But Benoist and Tobin aren't the only fresh faces at McKinley: Dean Geyer and Jacob Artist are also joining "Glee" in Season 4. Artist will play Puck's younger half-brother Jake Puckerman and Geyer plays Brody Weston, a potential love interest for Rachel at NYADA.
In other casting news ...
"Blue Bloods" finds Erin's (Bridget Moynahan) ex. Peter Hermann has been cast as Erin's ex-husband Jack Boyle, who she'll go head-to-head with in court this season on the CBS drama. Jack's return stirs up issues for Erin, their daughter Nicky and the rest of the Reagan family. [EW]
"Psych" snags John Hughes actor. The USA comedy has recruited John Kapelos, who played the janitor in "The Breakfast Club" and Jenny's fiance in "Sixteen Candles," to guest star in Season 7. Kapelos will play Tom Swagerty, a Santa Barbara City Council leader who serves as the interim mayor after Mayor Channing dies unexpectedly. Kapelos is the fourth Hughes star to have a guest stint on "Psych" -- Judd Nelson, Molly Ringwald and Ally Sheedy have all appeared previously. [THR]