Rod Taylor
as Pongo (voice)

J. Pat O'Malley
as Colonel / Jasper (voice)

Betty Lou Gerson
as Cruella De Vil / Miss Birdwell (voice)

Martha Wentworth
as Nanny / Queenie / Lucy (voice)

Ben Wright
as Roger (voice)

Cate Bauer
as Perdita (voice)

David Frankham
as Sergeant Tibbs (voice)

Frederick Worlock
as Horace / Inspector Craven (voice)

Lisa Davis
as Anita (voice)

Tom Conway
as Quizmaster / Collie (voice)

Tudor Owen
as Towser (voice)

George Pelling
as Danny (voice)

Ramsay Hill
as Television Announcer / Labrador (voice)

Sylvia Marriott
as Countess (voice)

Queenie Leonard
as Princess (voice)

Marjorie Bennett
as Duchess (voice)

Mickey Maga
as Patch (voice)

Barbara Beaird
as Rolly (voice)

Mimi Gibson
as Lucky (voice)

Sandra Abbott
as Penny (voice)

Thurl Ravenscroft
as Captain (voice)

Bill Lee
as Roger (singing voice)

Bob Stevens
as Narrator (voice)

Paul Wexler
as Car Mechanic (voice)

Mary Wickes
as Freckles (voice)

Barbara Luddy
as Rover (voice)

Lisa Daniels
as Perdita (voice)

Helene Stanley
as (voice)

Don Barclay
as Truck Driver (voice)

Jeanne Bruns
as Radio Singer (voice)

Lucille Bliss
as TV Commercial Singer (voice)

Paul Frees
as Dirty Dawson (voice)