In the early 1980s, Parashar took several Hindi cinema roles, including Sharaabi, Insaaf Ka Tarazu, Nikaah, Purani Haveli and Aap to Aise Na They.
Till date Nikaah remains his best performing movie and Insaaf ka Tarazu one of the best supporting roles he played.
Deepak Parashar appeared in the soap opera Kahiin To Hoga, and donned the "royal robes" of a Mughal badshah in the costume drama Chandramukhi.
He also appeared in Doordarshan TV serial Swabhimaan as Mahendra Malhotra.
In 2006, he appeared in reality TV show Bigg Boss, until he was evicted in the second week.