The Judge will be there, along with his/her clerk. The two parties will attend, with their legal representatives if applicable.
In certain instances, you can get permission before the hearing to bring a friend with you for emotional support.
Expert witnesses can present evidence as required but will not stay in the courtroom throughout the entire duration of the hearing.
Journalists and academic researchers are entitled to sit in on family law cases if they have prior permission from the Judge however, they are not allowed to report any identifying information regarding cases and cannot publish or discuss any personal/identifying details of proceedings after the hearing has concluded.