At least 10 past characters were confirmed to return for the anniversary, some in major roles whilst others in cameos. The return of several previous characters depended on the availability of the actors. Despite the line; "You're not in Guatemala now Dr. Ropata" being one of the show's most iconic moments,
Temuera Morrison (
Hone Ropata) was confirmed not to be returning for the special.
Karl Burnett, who portrayed longest running original character -
Nick Harrison confirmed he was not asked to return via his
Facebook status. During an interview with ''Woman's Day'' in April 2012,
Anna Jullienne confirmed her character
Maia Jeffries would be returning to the show to meet with unannounced members of the Jeffries family. The following week it was confirmed that the other surviving members of the Jeffries family –
Yvonne,
Libby,
Tania and
Jay would be returning alongside Libby's husband
Gerald Tippett throughout May.
Fleur Saville (Libby Jeffries) said returning to the show was; "like returning home! It was fantastic to see all my friends in the crew and cast and hear what everyone has been up to since I left 2 years ago."
Anna Jullienne (
Maia Jeffries) was happy to return for the momentous occasion, stating; "It's been great to be part of the 20th celebrations. Shortland Street was a huge part of my life for years and I'm happy to celebrate its great achievements." On 7 May it was confirmed series original -
Elizabeth McRae, would be returning as the character of
Marj Brasch, the original receptionist. Zanoski explained Marj's return, stating; "With the return of Yvonne to the reception desk it was only a matter of course to have Marj back." The Emergency Department location was notably missing a doctor and so writers decided to introduce a character in the 20th anniversary episodes to fulfil this. This led to the creation of
Josh Gallagher, who was described as; "an adrenalin junkie who loves the rush of ED and the precision and skill involved in surgical work. He's used to partying all night before sneaking in to start his shift" was created for this position Several other less notable characters returned including Estevez Gillespie as
Bailey Finch after an absence of 4 months, Henry Beasley as
Tom Stanton after 4 months and Roy Ward as
Nigel Tippett after 3 years.
Kimberley Crossman also made a brief one scene reappearance as
Sophie McKay as part of
Callum's departing scenes. ==Production==