Other works

1999: "Midnight Voices". McNucci Productions. He also co-produced it.

CD: "Justin Guarini", 2003.

CD: "American Idol Greatest Moments", 10/1/02.

CD: "The Great Holiday Classics", 10/14/04.

CD: "Stranger Things Have Happened", 12/6/05 (also produced).

CD: featured on "Foundation for Global Harmony", vocals and composed music for "Did You Know That I Know Your Journey?". summer 2006.

Featured vocalist on two tracks of "Foreign Shores" CD by jazz bassist, David Hughes - Late Summer, 2006

"Project Everlasting: The Search for America's Greatest Marriages Begins!" Created and performed the title song for this full-length documentary.

(March 2007 - ) Ongoing TV Guide Network as host and special correspondent for "Idol Wrap", name changed to "Idol Wrap in 2008.

(March 2007 - ) Ongoing TV Guide Network as host and Red Carpet special correspondent for "Idol Tonight".

Spokesperson for the scholarship video competition of "Calm-A-Sutra of Tea", by Tea Council of USA, Inc., April 30, 2007.

In late February and early summer 2007, joined musicians, including UK's Pete "Boxsta" Martin, in the UK and European countries (Sweden and Denmark) - writing and participating in a Soul music resurgence there.

Performance of Hymn #14 (for which Justin wrote the words) at the charity event in Ishikawa, Japan held by the nonprofit organization Global Harmony, Japan October 2005. In 2004 the first Heart EXPO was held in Takamatsu City, Kagawa Prefecture by His Holiness Cealo. More than $ 70,000 was raised, which was used to build an orphanage for HIV-infected Cambodian newborns. Justin traveled to Japan for a follow up participation and performance July 7 at Heart EXPO 2007.

Revolve, acoustic EP - includes When She Cries, Sweet Time and Rock Bottom - May 2008

"The Justin Guarini Show", weekly, on Blog Talk Radio - first aired June 3, 2008.

USO Tour - Afghanistan/Qatar - August 2008

(2008) Vlogs (video blogs) for Comcast's Fancast.com

Summer concerts - 2008

(March 23, 2009) The Awakening of Angel DeLuna, new musical - industry reading in Manhattan.

(2009) Sketched Out TV - new comedy series launched in late spring.

(2009) Northeast USA Verizon FiOS rep during summer.

(2009) Concert with Drivetime, Sellersville Theater (PA) - October 10

(2010) Women on the Verge of a Nervous Breakdown, Broadway musical. Cast as Carlos.

(2011) Justin cast as Will in"American Idiot", Tony award-winning rock opera on Broadway at the St. James Theatre, beginning March 1.

(2011)

• Cast as "Roger" in "Rent" - Surflight Theatre, Jersey Shore - May 28-June 19, 2011.

(2011) Cast as "Priest" in Bill T. Jones' staged reading of "Superfly" - New York - late summer 2011

(2011) Cast as "Billy Flynn" in The Media Theatre of Performing Arts' production of "Chicago" - Philadelphia - September 28-November 6, 2011

(April 4, 2012 - May 13, 2012)

• "Drake" in the Stephen King and John Mellencamp musical, "Ghost Brothers of Darkland County", Alliance Theater - Atlanta.

(July 23-29, 2012) - "Joseph" in "Joseph and the Amazing Technicolor Dreamcoat", the Muny - St. Louis

(month of September 2012)"Ghost Brothers" workshop in New York City.

(December 13-30, 2012) Justin portrays the actor Jake Laurents playing George Bailey in "It's a Wonderful Life: A Live Radio Play", Bucks County Playhouse

(March 31, 2013) Justin narrates the audiobook, "But Now I See: My Journey from Blindness to Olympic Gold" by Stephen Holcomb for Audibel.com

(April 23, 2013) "Good Stuff" a music track on Drew Gasparini's CD, "I Could Use a Drink"

(August 11, 2013) "Where Are They Now?" on Oprah's NOW Network

(August 24, 2013 - December 8, 2013) "Paris" in "Romeo and Juliet" at Richard Rodgers Theatre on Broadway

(October 28, 2013) Justin performs "Not While I'm Around" from "Sweeney Todd" for Ms. Lansbury at Angela Lansbury's Induction into Bucks County Playhouse Alumni Hall of Fame

(November 2013) "Vishnu" in "Vampire Blues" a short indie film

(November 30, 2013) Justin nominated for Best Special Event Broadway World Best of 2013 Philly Theatre Nominations

(February 25, 2014) Broadway Musical: Wicked - playing Fiyero at Gershwin Theatre, NYC

(November 17, 2014) Broadway premiere at St. James Theatre for "Side Show" for which Justin earned his first Broadway producing credit.

(February 2015) TV commercial for Diet Dr. Pepper - 'Lil Sweet, featured character

(2015) "Paint Your Wagon" (March) - New York City Center 2015 Encores

(May 29, 2015 - June 21, 2015) "Bobby" in stage production of Company, Bucks County Playhouse, PA

(November 10, 2016) In Transit, new musical on Broadway.

(July 21, 2016 - July 28, 2016) Musical theater: "Mama Mia!" playing Sam Carmichael at The Muny, St. Louis

(November 2017) Musical: The New World - playing Santuit at Bucks County Playhouse, Doylestown, PA

(October 5, 2018) Music album: So Much to Say- Songs for Everytown

(Summer 2019) ebook: Audition Secrets, on social media

(Summer 2020) Artist Mindset Mastery - mentoring project

(November 30, 2021 - January 9, 2022)

• Once Upon a One More Time - "Prince Charming" - musical theater off Broadway, Washington, D.C.