The film stars Sharafudheen and Aishwarya Lekshmi,[4] alongside Jagadish, Johny Antony, and Sunny Hinduja (in his Malayalam debut).

Anna Mathews of The Times of India rated the film two-and-a-half out of five stars and wrote that "The script by Sanjo Joseph of Falimy fame and direction by debutant Vaishakh Elans feels a bit disjointed.

"[12] Anandu Suresh of The Indian Express gave it two out of five stars and opined that "From the start, Sanjo Joseph’s script and Vaishakh’s direction fail to deliver the comedy, only evoking weak smiles from audiences.

By relying too much on familiar, clichéd moments that come with portraying characters like Bony, the film is unable to keep the viewers engaged and both the humour and situations come across as half-baked or forced.

"[13] Vivek Santhosh of The New Indian Express gave it two out of five stars and wrote that "With tighter editing and a more focused script, Hello Mummy could have been a somewhat fun 90-minute entertainer.