Here is what the actors had to say --
Prabhu Deva: "Happy Onam friends. Celebrate with 'athapoo pookolam' (rangoli) and enjoy Onam 'sadhya' with 'ada pradhaman', 'aviyal', 'elseri', 'upperi', 'olan', 'kalan', sambar, etc etc."
Resul Pookutty: "A very, very happy and prosperous Onam to you all..."
Madhuri Dixit: "Happy Onam to all!!"
Farhan Akhtar: "Happy Onam. Wish you all peace and joy."
Madhur Bhandarkar: "Wishing everyone a happy and prosperous Onam."
Anupam Kher: "Happy Onam to all."
Neil Nitin Mukesh: "Wishing everyone a happy Onam. God bless."
Shreyas Talpade: "Happy Onam!"
Sunidhi Chauhan: "A very Happy Onam to you all."
Shreya Ghoshal: "Wishing all a very happy Onam. May loads of happiness and prosperity usher in your lives."
Raveena Tandon: "Happy Onam to all my friends!! God bless! Love and happiness, may this be a super duper year for all!!"
Ranvir Shorey: "Happy Onam!"
Santosh Sivan: "Hey wishing all a wonderful Onam!!"
Siddharth: "Happy Onam to all my friends from Kerala as for me, off for an epic Onam sadhya lunch at my friend's place. Time to look for the loose pants!"