[3] He was dubbed Nayak Raj Razzak (King of Heroes), a term introduced by Ahmed Zaman Chowdhury, editor of the magazine Chitrali.

He then worked in small roles in the films Akheri Station and Tero Nombor Feku Ostagor Lane.

[1] Razzak went on to act in films including Abirbhab, Moynamoti, Taka Ana Pai, Dorpochurno and Jibon Theke Neya (1970).

After the 1971 Liberation War he continued working on the films Manusher Mon, Ora Egaro Jon and Osru Diye Lekha.

[1] Razzak got his major breakthrough by acting in the action film Rongbaj (1974), directed by Zahirul Haq.

[8] Razzak acted in leading roles with many prominent actors and actresses, including Anwar Hossain, Bulbul Ahmed, Sohel Rana, Ilias Kanchan, Shuchanda, Shabana, Bobita, Kabori, Sujata, Shabnam and others.