He never ever wanted to become an actor. He came to Bombay to become a director. Those days, actors were looked down upon. They were believed to come from the lowest strata of society. So he joined Bombay Talkies as a technician. he worked in the camera department. Later, he was made a lab assistant." It was sheer fluke that he became an actor. He got the lead role in Jeevan Naiya (1936), a Bombay Talkies production. His first big hit was Achhut Kanya (1936), where he again paired with Devika Rani.
.He was the first superstar of Hindi cinema as well as the first lead actor to play an anti-hero. He was the hero of the first blockbuster film(Kismet 1943) of Indian cinema. He also became the first star to reinvent himself, enjoying a long and hugely successful career as a character actor. He was also the first Bollywood star to enter the small screen (TV)
He produced several films for Bombay Talkies during the final years of the company including Ziddi (1948), which established the careers of Dev Anand and Pran, Later on, he quit the Bombay Talkies and started Filmistan Studio with Shashdhar Mukharjee, his desire to return to Bombay Talkies was always there." He re-bought Bombay Talkies in 1947. "Devika Rani had left by then. But the Talkies had fallen on bad days. The debts amounted to Rs 28 lakhs. We made movies like Majboor, Ziddi, Mahal and Mashal to repay the debts."