Suggestions by @scarlett

Michael Campion

as Patch in 101 Dalmatians

Gaten Matarazzo

as Rolly in 101 Dalmatians

Freddie Highmore

as Lucky in 101 Dalmatians

Martin Freeman

as Sergeant Tibbs in 101 Dalmatians

Owen Wilson

as Captain in 101 Dalmatians

Christopher Lloyd

as Colonel in 101 Dalmatians

Matt Lucas

as Horace in 101 Dalmatians

Russell Brand

as Jasper in 101 Dalmatians

Angela Lansbury

as Nanny in 101 Dalmatians

Helena Bonham Carter

as Cruella De Vil in 101 Dalmatians

Keira Knightley

as Anita in 101 Dalmatians

Benedict Cumberbatch

as Roger in 101 Dalmatians

Kate Beckinsale

as Perdita in 101 Dalmatians

Tom Hiddleston

as Pongo in 101 Dalmatians

Stephen Fry

as King Hubert in Sleeping Beauty

Jennifer Morrison

as Queen Leah in Sleeping Beauty

Colin O'Donoghue

as King Stefan in Sleeping Beauty

Melissa McCarthy

as Merryweather in Sleeping Beauty

Julie Andrews

as Fauna in Sleeping Beauty

Maggie Smith

as Flora in Sleeping Beauty