Iranian directorial duo Maryam Moghaddam and Behtash Sanaeeha, who in February were banned by Iranian authorities from traveling to the Berlin Film Festival to launch their film “My Favourite Cake,” have now been subjected to repeated travel bans after their passports were returned.

Last week, Moghaddam — who is Swedish-Iranian — was ready to fly to Sweden to visit her family and attend the Swedish premiere of “My Favourite Cake” when she was stopped.

Moghaddam said in an Instagram post that her “passport was confiscated at Tehran’s airport and I was informed that we (me and Behtash Sanaeeha) are barred from leaving the country again.”

Moghaddam added that this took place “only a week ago after our passports were given back to us,” and “only after I had got tickets, paid the exit fees and a lot of more expenses which had obviously gone in vain.”

In the post, Moghaddam pointed...