Other works

Off-Broadway: Julia Jordan's Summer of the Swans, directed by Joe Calarco (Lucille Lortel Theatre).

Regional Theatre: The Drawer Boy, by Michael Healey, opposite John Mahoney, Paper Mill Playhouse.

(2005- ). Active on Broadway in the following productions:

(2005) Stage Play: Jersey Boys. Musical. Music by Bob Gaudio, Bob Crewe, Marshall Brickman and Rick Elice. Vocal arrangements by Ron Melrose. Incidental music by Ron Melrose. Scenic Design by Klara Zieglerova. Costume Design by Jess Goldstein. Choreographed by Sergio Trujillo. Directed by Des McAnuff. August Wilson Theater: 4 Oct 2005- Present (currently running + 38 previews that began on 4 Oct 2005). Produced by Dodger Theatricals (Michael David, Edward Strong, Rocco Landesman, Des McAnuff), Joseph J. Grano, Pelican Group, Tamara Kinsella and Kevin Kinsella. Produced in association with Latitude Link, Rick Steiner and Osher/Staton/Bell/Mayerson Group. Associate Producers: Lauren Mitchell and Rhoda Mayerson.

(March 2014) Theatre. Made his West End debut, at London's Piccadilly Theatre, reprising the role of Frankie Valli in 'Jersey Boys' (which he originated on Broadway in 2006). John led the London company for a limited season.

(April 28, 2012) He performed in the 28 Annual Southland Theatre Artists Goodwill Event Benefitting AIDS Project Los Angeles at the Saban Theatre in Los Angeles, California with Bonnie Franklin, Bill Hutton, Patricia Morison, Brian Lane Green, Jeff Edgerton, Julie Garnye, Kate Pazakis, Jen Malenke, Suzanne Schmedding, Brandon Wardell, Constance Towers, Patrick Cassidy, Pat Marshall, Adrienne Barbeau, Carol Lawrence, Chris Goulet, Cody Green, Kyle Robinson, Oskar Rodriguez, Maillauri Esquibel, Rex Smith, Anna Maria Alberghatti, Len Cariou, Lillias White, Loretta Devine, Catherine Blanks, Sharon Catherine Blanks, Mary Jo Catlett, Gwen Hillier, Lani Ridley Pedrini, Nancy Sharrell, Susan Watson, Seth Hampton, Michael Guanara, The Tonics, Cortes Alexander, Gene Reed, Lindy Robbins, David Burnham, Beth Fowler, Sally Struthers, Andrea McArdle, Donna McKechnie, Carole Cook, Alaman Diadhiou and the S.T.A.G.E. Ensemble in the cast.