Suggestions by @siddarthsid

Melanie Lynskey

as Diplomat Barbie in Barbie (2003)

Victoria Beckham

as Mermaid Barbie in Barbie (2003)

Archie Panjabi

as Journalist Barbie in Barbie (2003)

Eva Mendes

as Judge Barbie in Barbie (2003)

Melissa McCarthy

as Lawyer Barbie in Barbie (2003)

Alexis Arquette

as Dr. Barbie in Barbie (2003)

Jaime Pressly

as Physicist Barbie in Barbie (2003)

Sanaa Lathan

as Writer Barbie in Barbie (2003)

Amy Heckerling

as Director in Barbie (2003)

Taye Diggs

as Artist Ken in Barbie (2003)

David Harewood

as Basketball Ken in Barbie (2003)

Angela Lansbury

as The Narrator in Barbie (2003)

Sofia Coppola

as Midge in Barbie (2003)

Steve Martin

as Mattel CEO in Barbie (2003)

Elaine May

as Ruth Handler in Barbie (2003)

Jason Scott Lee

as Rival Ken in Barbie (2003)

Paul Rudd

as Allan in Barbie (2003)

Halle Berry

as President Barbie in Barbie (2003)

Constance Marie

as Gloria in Barbie (2003)

Molly Shannon

as Weird Barbie in Barbie (2003)