Question: What's New, Scooby-Doo?, is an American animated sitcom mystery comedy series produced by Warner Bros., and is the first television series in the franchise in  Grey DeLisle, portrayed the voices of who?

Context articles: List of Scooby-Doo! Mystery Incorporated episodes
A Pup Named Scooby-Doo
Grey DeLisle
Be Cool, Scooby-Doo!
What's New, Scooby-Doo?
Shaggy &amp; Scooby-Doo Get a Clue!
The Scooby-Doo Show
Scooby-Doo, Where Are You!
The New Scooby-Doo Movies
Scooby-Doo! Mystery Incorporated

This is a list of episodes for the animated television series "Scooby-Doo!
 Mystery Incorporated", the eleventh incarnation of Hanna-Barbera's Scooby-Doo series of Saturday morning cartoons.
 The series is produced by Warner Bros.
 Animation.
 Unlike any previous series, "Scooby-Doo!
 Mystery Incorporated" features an overarching story.
 In addition to the traditional cases they always solve, the team finds itself being nudged into the uncovering of a dark secret that is hidden in the past of Crystal Cove, covered up by parties unknown.
 Following cryptic hints from a faceless mystery-man known only as "Mr. E" (a play on "mystery"), they find themselves caught up in the unsolved, decades-old case of the disappearance of four mystery-solving youths and their pet — the original Mystery Incorporated.
A Pup Named Scooby-Doo is an American animated mystery comedy series produced by Hanna-Barbera.
 It is the eighth incarnation of the studio's "Scooby-Doo" franchise, and depicts juvenile versions of the title character and his human companions as they solve mysteries, similarly to the original "Scooby-Doo, Where Are You!
" television series.
 The series was developed by Tom Ruegger and premiered on September 10, 1988, airing for four seasons on ABC as well as during the syndicated block "The Funtastic World of Hanna-Barbera" until August 17, 1991.
 Ruegger, along with most of Hanna-Barbera's production staff, departed from the studio after the first season.
Erin Grey Van Oosbree (born August 24, 1973), credited as Grey DeLisle ( ) and Grey Griffin, is an American voice actress and singer-songwriter.
 She has done voice acting for numerous animated films, television shows, and video games.
 Her voice roles include Vicky from "The Fairly OddParents", Samantha "Sam" Manson from "Danny Phantom", Mandy from "The Grim Adventures of Billy & Mandy", Frankie Foster, Duchess, and Goo from "Foster's Home for Imaginary Friends", Yumi Yoshimura from "Hi Hi Puffy AmiYumi", Azula from "", Kimiko Tohomiko from "Xiaolin Showdown", and Lola, Lana, and Lily Loud from "The Loud House".
 She has been the voice of Daphne Blake in the "Scooby-Doo" cartoons and direct-to-videos since 2001.
 In video games, she voices Amanda Valenciano Libre from "".
Be Cool, Scooby-Doo!
 is an American animated television series produced by Warner Bros.
 Animation, the twelfth incarnation of Hanna-Barbera's "Scooby-Doo" animated series.
 In the show, the "Scooby-Doo" gang decide to travel in their last summer break together, encountering havoc-wreaking monsters along the way.
 Described as having a more comedic tone than its previous incarnation, "Scooby-Doo!
 Mystery Incorporated", the show employs character traits from the original 1969 series on top of redesigned character models.
What's New, Scooby-Doo?
 is an American animated sitcom mystery comedy series produced by Warner Bros.
 Animation for The WB television network; it is the ninth incarnation of the "Scooby-Doo" franchise that began with Hanna-Barbera's "Scooby-Doo, Where Are You!
" and the first of such since the previous incarnation, "A Pup Named Scooby-Doo", ended in 1991.
 The series revives the format of "Scooby-Doo, Where Are You!"
, in which the title character and his companions, Fred Jones; Daphne Blake; Velma Dinkley and Shaggy Rogers, travel to varying locations solving mysteries; this format is modernized for "What's New, Scooby-Doo?"
, in which the characters utilize technology that did not exist at the time "Scooby-Doo, Where Are You!"
 first aired.
 It is the first television series in the franchise in which Frank Welker, Grey DeLisle and Mindy Cohn respectively portrayed the voices of Scooby-Doo, Daphne and Velma; and the final one in which Casey Kasem portrayed Shaggy, having originally quit the role following a dispute regarding the portrayal of the character.
Shaggy & Scooby-Doo Get a Clue!
 is an American animated comedy series produced by Warner Bros.
 Animation, the tenth incarnation of Hanna-Barbera's "Scooby-Doo" franchise.
 It debuted on September 23, 2006, and ran for two seasons during the Kids WB Saturday morning block of The CW Television Network.
 It was the final animated series produced by Hanna-Barbera co-founder Joseph Barbera before his death.
 The second season premiered in Canada on Teletoon on September 6, 2008, and was also available online at Cartoon Network Online.
The Scooby-Doo Show is an American animated mystery comedy series.
 The title of the series is an umbrella term for episodes of the third incarnation of Hanna-Barbera's "Scooby-Doo" franchise.
 A total of 40 episodes ran for three seasons, from 1976 to 1978, on ABC, marking the first "Scooby" series to appear on the network.
 Sixteen episodes were produced as segments of "The Scooby-Doo/Dynomutt Hour" in 1976, eight episodes were produced as segments of "Scooby's All-Star Laff-A-Lympics" in 1977 and sixteen episodes were produced in 1978, with nine of them running by themselves under the "Scooby-Doo, Where Are You!
" name and the final seven as segments of "Scooby's All-Stars".
Scooby-Doo, Where Are You!
 is an American animated mystery comedy television series produced by Hanna-Barbera.
 Produced for CBS, the series premiered as part of the network's Saturday morning schedule on September 13, 1969, and aired for two seasons until October 31, 1970.
 In 1978, a selection of episodes from the later series "Scooby's All-Stars" and "The Scooby-Doo Show" were aired on ABC under the "Scooby-Doo, Where Are You!"
 name and, as such, is sometimes marketed as its third season.
The New Scooby-Doo Movies is an American animated mystery comedy television series produced by Hanna-Barbera for CBS.
 It is the second animated television series in the studio's "Scooby-Doo" franchise, and follows the first incarnation, "Scooby-Doo, Where Are You!
".
 It premiered on September 9, 1972 and ran for two seasons on CBS as the only hour-long "Scooby-Doo" series.
 Twenty-four episodes were produced, sixteen for the 1972–73 season and eight more for the 1973–74 season.
Scooby-Doo!
 Mystery Incorporated (also known as Mystery Incorporated or Scooby-Doo!
 Mystery, Inc.) is an American animated mystery comedy-drama series; the series serves as the eleventh incarnation of the "Scooby-Doo" media franchise created by Hanna-Barbera, as well as the first that was not originally run on Saturday mornings.
 The series is produced by Warner Bros.
 Animation and Cartoon Network UK and premiered in the United States on Cartoon Network on April 5, 2010, with the next twelve episodes continuing, and the first episode re-airing, on July 12, 2010.
 The series concluded on April 5, 2013 after two seasons and fifty-two episodes.