He has also provided voice acting roles for various animated series, including Deputy Peck in Disney Junior's Sheriff Callie's Wild West (2014–2017), the title character in Netflix's Pinky Malinky (2019), and Kyle/Mist in My Adventures with Superman (2023).

He also played drums for a local church and initiated a men's a cappella singing group at Kickapoo called No Treble.

Grabeel has made television guest appearances in TV series such as Boston Legal, 'Til Death, and Veronica Mars.

In 2007, he joined co-stars Vanessa Hudgens, Ashley Tisdale, Corbin Bleu and Monique Coleman on the 51-date High School Musical: The Concert.

A year later, he returned to repeat his captaincy of the green team with Dylan Sprouse, Miley Cyrus, Monique Coleman and Brandon Baker.

[15] He also mentioned his latest film project, Dancing Ninja, where he played the lead Tokyo Jones alongside David Hasselhoff.

[16] In May 2009, he portrayed the role on stage of Matt in the Harvey Schmidt and Tom Jones musical, The Fantasticks with Eric McCormack and Harry Groener at UCLA's Freud Playhouse.

), an AIDS charity event, in Beverly Hills performing George and Ira Gershwin's "I Can't Be Bothered Now".

[20] In March 2012, I Kissed A Vampire was released in the US, where Lucas stars alongside Drew Seeley and Adrian Slade.

[21] In January 2014 he provided his first-ever voice over role for an animated series, Deputy Peck on Sheriff Callie's Wild West.

The company has produced projects such as the short films The Real Son, Smoke Break; the music videos for "Get Your Ass On" and "You Got It".