Suggestions by @cristoferantonyoviedo

Winona Ryder

as Timmy's mom in Fan Casting Live-Action Fairly Oddparents (Paramount + TV Series)

Sunny Suljic

as Timmy Turner in Fan Casting Live-Action Fairly Oddparents (Paramount + TV Series)

Katherine McNamara

as Vicky in Fan Casting Live-Action Fairly Oddparents (Paramount + TV Series)

Mckenna Grace

as Tootie in Fan Casting Live-Action Fairly Oddparents (Paramount + TV Series)

Owen Vaccaro

as Chester in Fan Casting Live-Action Fairly Oddparents (Paramount + TV Series)

Jahzir Bruno

as A. J. in Fan Casting Live-Action Fairly Oddparents (Paramount + TV Series)

Sarah Michelle Gellar

as Daphne's Mother in Mystery Inc.

Hugh Grant

as Velma's Father in Mystery Inc.

Mckenna Grace

as Young velma in Mystery Inc.

Linda Cardellini

as Velma's Mother in Mystery Inc.

Winona Ryder

as Shaggy's Mother in Mystery Inc.

Matthew Lillard

as Shaggy's Father in Mystery Inc.

Julian Hilliard

as Young Fred in Mystery Inc.

Christopher Convery

as Young Shaggy in Mystery Inc.

Art Parkinson

as Ken Utonium in The CW's Powerpuff

Colin Ford

as Ken Utonium in The CW's Powerpuff

Cole Sand

as Ken Utonium in The CW's Powerpuff

Corey Fogelmanis

as Ken Utonium in The CW's Powerpuff

Austin Abrams

as Ken Utonium in The CW's Powerpuff

Karan Brar

as Ken Utonium in The CW's Powerpuff