"Anti-hero role is always challenging. Like Shah Rukh Khan's role in 'Baazigar' and 'Darr'. Whenever you break a norm to do something, it is always challenging," Ameesha said here Thursday in an interview.
"To not do a typical heroine, to look sophisticated rich woman and beautiful despite being in a negative role is a tough job because you might cross the line and look like a vamp.
"So, it was a physically and emotionally tiring film for me to do because of the dangerous dialogues, looks, manipulative eyes - all this I haven't done before," added the 38-year-old.
Meanwhile, lead actor of the film Neil Nitin Mukesh states that "Shortcut Romeo" might be a remake of director Susi Ganeshan's Tamil film "Thiruttu Payale", but it is "a very different film - be it the scale or characterisation".
"Only some aspects of the original story have been used by Susi, but there are very unique things in this one. I believe 'Shortcut Romeo' is a fresh film," added the actor.