Samuel Beckett | Samuel Taylor Coleridge | Samuel Johnson | Samuel Pepys | Samuel L. Jackson | Samuel R. Delany | Samuel Barber | Samuel Goldwyn | Samuel | Samuel Alito | Samuel Butler | Samuel Ramey | Samuel Morse | Samuel Gompers | Samuel de Champlain | Larsen & Toubro | Samuel Sewall | Samuel Richardson | Samuel Hill | Samuel Fuller | Samuel Purchas | Samuel Hood, 1st Viscount Hood | Samuel Foote | Samuel Butler (novelist) | Samuel Sánchez | Samuel Rogers | Samuel Rivera | Samuel Pierpont Langley | Samuel J. Tilden | Samuel Gridley Howe |
Recurring guest stars appearing in the episode include glee club members Sam Evans (Chord Overstreet), Rory Flanagan (Damian McGinty) and Joe Hart (Samuel Larsen), Principal Figgins (Iqbal Theba), cheerleader Becky Jackson (Lauren Potter) and football player and Mercedes' ex-boyfriend Shane Tinsley (LaMarcus Tinker).
In Lima, Ohio, glee club director Will Schuester (Matthew Morrison) reunites with the returning members of New Directions—Artie Abrams (Kevin McHale), Tina Cohen-Chang (Jenna Ushkowitz), Brittany Pierce (Heather Morris), Sam Evans (Chord Overstreet), Blaine Anderson (Darren Criss), Sugar Motta (Vanessa Lengies), and Joe Hart (Samuel Larsen)—who have become popular after winning Nationals.