Those charged may not even appear, but their lawyers could appear on their behalf if necessary.
Court staff are understood to be preparing for interest from all over the country in the case, in which the defendants have the right to plead guilty at the first appearance but are extremely unlikely to do so.
Adjournments are expected to be sought and some judicial timetable set down for the matter to proceed this year, although even that could be subject to change via applications or orders.
Proceedings could take place via the filing of specific documents relating to the case, without a hearing.
The SFO's prosecutor is expected to be Nicholas Till, QC, of Christchurch.
The five defendants' lawyers are not yet known.
What is highly likely to emerge on Monday will be the details of the 21 charges, as charge sheets will be made available in the court and to the media.
The SFO has made it clear the scale of the case was huge and difficult.
"On the basis of investigations completed by the intelligence and detection team, the director determined that an investigation into the affairs of SCF may disclose serious or complex fraud," it said in a statement last month.
"An investigation under part I of the Serious Fraud Office Act was commenced on 18 October, 2010.
"The charges allege a variety of offences, including theft by a person in a special relationship, obtaining by deception, false statements by the promoter of a company and false accounting.
"The total estimated value of allegedly fraudulent transactions is about $1.7 billion."
SCF founder and chairman Allan Hubbard died after a car crash on September 2 last year.