The Young and the Restless is an American television soap opera. It was first broadcast on March 26, 1973, and airs on CBS. The following is a list of characters that first appeared in 2010, by order of appearance. All characters were introduced to the series by its head writer that year, Maria Arena Bell. Doppelgänger Sarah Smythe first appeared in April. June saw the arrival of Meggie McClaine, Spencer Walsh and twin characters, Charles and Matilda Ashby, born on-screen. Vance Abrams and Sofia Dupre debuted in July, followed by Blake Joseph's stint beginning in October. Colin Atkinson made his debut in December.