Parliament speaker. The Tehran mayor. A heart surgeon. The race is on for Iran’s next president [Video]

Six candidates have been approved by Iran’s theocracy to run in Friday’s presidential election to replace the late President Ebrahim Raisi, who died in a helicopter crash with several other officials in May.

Among them, Iran’s parliament speaker stands out as the most recognizable figure. A little-known politician and heart surgeon is also on the ballot. He is the only reformist while the others are more skewed toward hard-liners who back Supreme Leader Ayatollah Ali Khamenei without question and challenge the West.

And if previous elections are a guide to Iranian politics, several candidates could drop out in the final days before the vote to coalesce around a unity candidate.

On Tuesday, Khamenei called for “maximum” voter turnout in the election, which analysts say could support the reformist candidate. A parliamentary election in Iran earlier this year saw the lowest turnout since the country’s 1979 Islamic Revolution.

Here’s a look at the candidates:

Amirhossein Ghazizadeh Hashemi

Ghazizadeh Hashemi, 53, served as one of …