The relevant information is: They try to contact Icelandic volcanologist Sigurbjorn Asgeirsson, but instead encounter his daughter Hannah Asgeirsson (Anita Briem) since her father had died some years earlier.
This justifies what answer for what question? Q & A:
Passage: In Trevor's volcanology laboratory, a device shows activity on Snfell, a dormant volcano in Iceland. Trevor and Sean travel to Iceland to investigate. They try to contact Icelandic volcanologist Sigurbjorn Asgeirsson, but instead encounter his daughter Hannah Asgeirsson (Anita Briem) since her father had died some years earlier. It turns out that Sigurbjorn and Max were both Vernians, a group of people who believe the works of Jules Verne to be fact and not fiction.

Question: Based on this passage, who plays the girl in journey to the center of the earth?
Anita Briem