Kazmi was born to the actor Rahat Kazmi and Sahira Kazmi (née Ansari), a well-known TV director, producer and actress who’s herself the daughter of the late Bollywood actor Shyam, on 31 October 1981 in Karachi, Pakistan. He began his career as a child actor in 1995 TV series Zikr Hai Kai Saal Ka on PTV Home and then continued playing supporting or minor roles in television which includes Manzil (2006). After completing his studies from Karachi, he moved to Canada and began acting and modeling there by appearing in TV series, commercials and plays. He also worked at China Syndrome Productions as a director and producer. One of his initial major roles was as a villain in the film The Dependables (2014). He also played a negative role in Mehreen Jabbar’s Jackson Heights which gave him more popularity in Pakistan.

Kazmi married his high school sweetheart Alizeh Khorasanee, whom he knew since the age of 12. They married in Karachi and settled in Toronto. In 2014, their son was born.

In 2015, he starred in two commercially successful films, Rohit Jugraj Chauhan’s Sardaar Ji (2015) and Deepa Mehta’s Beeba Boys (2015) with Sarah Allen, Randeep Hooda and Gulshan Grover. Kazmi has also appeared in the short film Coffee at Laundromat (2015) for which he has won Best Actor in a Short Film award at the World Music & Independent Film Festival 2016.