Virus, the medical and survival thriller has been getting over-whelming response from all quarters. The multi-starrer has the best of talents from the industry. Kunchako Boban plays Dr Suresh Rajan. He says that though there were many actors in the film, it was he who had the lengthy dialogues. He laughs when he says that his intention to sign the film was mainly due to the huge cast and had plans of chilling with the young team. But, as he was entrusted with the task of delivering many dialogues, he was always in the caravan studying and memorizing them. He credits the writers and director for helping him with the dialogues and their co-operation even when he made mistakes that required several takes.