Several Broadway favorites are joining stage and screen star Cheyenne Jackson as he returns to 54 Below beginning September 23. Jackson-who is offering his original show Signs of Life at the Manhattan cabaret September 23-29 at 8 PM-will be joined by a different special guest for each performance: Nikki Renée Daniels (Once Upon a Mattress) September 23, Abby Mueller (SIX) September 24, Tony winner J. Harrison Ghee (Some Like It Hot) September 25, Claybourne Elder (Company) September 27, Tony winner Jane Krakowski (Nine) September 28, and Jessica Vosk (Wicked) September 29.