Bilal, 25, from Aluva and Vipin Varghese, 30, from Kadavanthra here were arrested by a team of crime branch police, they said.
The attackers, wearing helmets, barged into the parlour in Panampilly Nagar at around 3 pm on December 15 last year and fired two shots before speeding away on a bike, they added.
The duo was taken to the Beauty Parlour to gather evidence, this afternoon.
According to her, the caller threatened to kill the actress if the money was not paid.
The threat calls were made on subsequent dates also, she stated.
Efforts are on to bring him back to India, it said.
The case was initially probed by the Kochi city police.
Later, it was handed over to the Crime branch wing of the police.
The actress was an accused in a bank fraud case and was associated with alleged con man Sukesh Chandrashekhar, now in Tihar jail in a matter related to a bid to bribe the Election Commission, involving Amma Makkal Munnetra Kazhagam leader and R K Nagar MLA T T V Dinakaran.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)