- Ended
Johnny Galecki,Jim Parsons,Kaley Cuoco,Simon Helberg,Kunal Nayyar,Melissa Rauch,Mayim Bialik
- Ended
Paul Wesley,Ian Somerhalder,Kat Graham,Candice King,Zach Roerig,Michael Malarkey,Matthew Davis
- Ended
Charlie Hunnam,Katey Sagal,Tommy Flanagan,Mark Boone Junior,Kim Coates,Dayton Callie,David Labrava,Drea de Matteo,Jimmy Smits,Niko Nicotera,Theo Rossi
- Ended
Simon Baker,Robin Tunney,Tim Kang,Rockmond Dunbar,Joe Adler,Josie Loren
- Ended
Blake Lively,Leighton Meester,Penn Badgley,Chace Crawford,Ed Westwick,Kelly Rutherford,Matthew Settle,Kaylee DeFer
- Ended
Zach Braff,Donald Faison,John C. McGinley,Eliza Coupe,Kerry Bishé,Michael Mosley,Dave Franco
- Ended
Matt Bomer,Tim DeKay,Willie Garson,Tiffani Thiessen,Marsha Thomason,Sharif Atkins
- Ended
Mariska Hargitay,Ice-T,Peter Scanavino,Octavio Pisano
- Ended
Unknown