who are the other characters of it?
Addison Montgomery, Mark Sloan and Callie Torres, to name a few.
Grey's Anatomy
Introduced in the show's second season are obstetrician-gynecologist and neonatal surgeon, Addison Montgomery, plastic surgeon Mark Sloan (nicknamed 'McSteamy' by the interns), from New York, and orthopedic surgeon Callie Torres. 
where did meredith grey go instead of dc UNANSWERABLE who is this person? She is a fictional character from the medical drama television series. which series? Grey's Anatomy. who is the creator of this character? Shonda Rhimes. who acted out the role of the character? Ellen Pompeo. who directed the mentioned series? Directors vary by episode, Rob Corn, Tom Verica. Horton, Edward Ornelas, and Jessica Yu, to name a few. which channel broadcasted it? The American Broadcasting Company. did the above character get any award? Yes, Best Ensemble in a Television Series, Best Actress in a Television Drama Series, etc. who owns the above broadcasting company? The Walt Disney Company. where is it based? Burbank, California. can you mention some of its other broadcasting shows? "The View", "Strahan, Sara and Keke" and "General Hospital", to name a few. do you know the storyline of the aforementioned medical tv series? Meredith is the series' protagonist and title character, and was introduced as a surgical intern at the fictional Seattle Grace Hospital, she struggles with the everyday life of being in a competitive profession, maintaining the relationship with her one-night stand and eventual husband Derek Shepherd, her motherhood, and her friendships with her colleagues.
wiki:12462346
Grey's Anatomy [SEP] Main cast
Introduced in the show's second season are obstetrician-gynecologist and neonatal surgeon, Addison Montgomery, plastic surgeon Mark Sloan (nicknamed 'McSteamy' by the interns), from New York, and orthopedic surgeon Callie Torres. Montgomery is Shepherd's estranged wife who arrives in Seattle seeking reconciliation with him, Sloan is Shepherd's former best-friend, who aided the breakdown of his marriage by having an affair with Montgomery, while Torres is introduced as a love-interest, and eventual wife for O'Malley. The penultimate episode of season 3 introduces Lexie Grey, Meredith's half-sister who unexpectedly decides to pursue her internship at Seattle Grace Hospital after her mother's sudden death, and begins an on-again, off-again relationship with Sloan.