Thacholi Ambu is a 1978 Malayalam-language film starring Prem Nazir, Sivaji Ganesan, Ravikumar and Jayan. Directed and produced by Navodaya Appachan, it was the first cinemascope film in Malayalam. Prem Nazir played the title role in the film.

• Navodaya Studio
• Prem Nazir
• Sivaji Ganesan
• Jayan
• K P Ummer
• K R Vijaya
• Balan K Nair
• Poojappura Ravi