Here is the "Velma" cast along with the characters they play

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Mindy Kaling, from "The Office," plays the titular detective.

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Constance Wu plays Daphne, the show's bad girl.

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Glenn Howerton, from "It's Always Sunny in Philadelphia," plays Fred, the ultimate head of the Mystery Inc. gang.

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"Velma" will not feature Scooby, however Norville — or Shaggy — will be in the episode and will be voiced by Emmy contender Sam Richardson.

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Russell Peters plays Velma's father, Aman.

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Sarayu Blue portrays Velma's mother, Diya, who then vanishes.

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Melissa Fumero, from "Brooklyn Nine-Nine," plays Sophie, Aman's lover.

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Donna, one among Daphne's cop parents, is played by "Glee" actress Jane Lynch.

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Linda, Daphne's second mother, is played by actress as well as comedian Wanda Sykes.

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On "Velma," the voice actor for Fred, Frank Welker, plays Fred's father, William Jones.

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