After he started acting, dancing took a back seat.
Dhanjani began his acting career with a cameo in Bandini, where he played Parth, a negative character.
However, his big break came in Pyaar Kii Ye Ek Kahaani on Star One. He played the antagonist, Jay Khurana, who was a werewolf and in love with the female protagonist. The show ended on December 15, 2011.
In 2012, Dhanjani, along with co-star Ankita Lokhande, performed on Dance India Dance Lil' Masters.
In June 2012 Rithvik entered Jhalak Dikhhla Jaa 5 as Wild Card entry and came in third place.
In 2013, he hosted India's Best Dramebaaz, on Zee TV, with Ragini Khanna.
He was seen in the Teen ka Tadka episode of Jhalak Dikhla Jaa season 6, on Colors, with Lauren and Punit.
He plays the role of Arjun Digvijay Kirloskar, the son of Digvijay Kirloskar (Naved Aslam) and the love interest of Purvi Deshmukh (Asha Negi). He enjoys a huge fan following because of the excellent chemistry he shares with Asha Negi on the show.
- He has shot for short film "Aftermath Mumbai" which is directed by Rama
- He has also shot for advertisements for brands like:
* Airtel (FIFA),
* Lipton (AD for pakistan)
* VASCON (corporate AD)
* Jaquar lights
* LAYS chips (world cup 2011)
He has done a corparate film for "SHELL INDIA".
He has worked on a feature film "This and That" directed by Sandeep Choudhry and Rubb Bhungdawala scheduled to release in June 2011
In 2012, he won the "Best Jodi Award" with Asha Negi for Pavitra Rishta at the Zee Rishtey Awards.
In 2013, he won the "Best Supporting Actor" award for Pavitra Rishta at the Indian Telly Awards.