No because ICarly is a tv show and they already have a set of cast members for every episode. There actually is not a webshow called ICarly as it is all part of the tv show.
You would have to be famous or important
He is just Freddie from ICarly but he is not Mikel Jackson has you guys think he is Freddie
She has played a small role in iPsycho as "Popular Girl" at Nora's birthday party.
Her real name is Miranda Cosgrove. == == == == In Nickelodeon's hit TV show, iCarly, Miranda Cosgrove stars as a regular teenager with two friends and she is the star of a webshow called iCarly. Cosgrove plays Carly Shay in the show.
A "guest" star is the name for the original star, before it exploded as a Supernova. Because the Supernova is the explosion and has no real physical relation to the Star, it is termed "guest" star.
Probably if they are a good enough actor or actress
You would have to be famous or important
its posiple
One Direction was a guest star at the Nickelodeon TV Show iCarly. The episode is : iCarly - iGo One Direction
I'm not sure but he's probably gonna guest star for icarly
He is just Freddie from ICarly but he is not Mikel Jackson has you guys think he is Freddie
drake is suposed to but not josh yes drake is going to be in the next upcoming icarly epsisode called I Hire An Idiot and he will play drake Parker but Josh is not going to be guest starring in icarly. The epsisode is due out in 2011.
Guest Star: Leon Thomas III as Harper
She has played a small role in iPsycho as "Popular Girl" at Nora's birthday party.
Heli Simpson had a guest role on Neighbours but was not a regular star.
Yes.Also, they will guest star on iCarly in 3/13/10.
The rumor is Miranda Cosgrove or Jennette McCurdy will guest star on the hit comedy series, but remember this is just a rumor, so it might not be true.