Nanny and the Professor

Juliet Mills

"Nanny" Phoebe Figalilly

Richard Long

Professor Harold Everett

Trent Lehman

Bentley "Butch" Everett

Kim Richards

Prudence Everett

David Doremus

Hal

Patsy Garrett

Mrs. Fowler

Roger Perry

Dr. Harvey Moss / Fred Parkman / Miles Taylor / Professor Jim Lawrence

Don Beddoe

Mr. Thatcher

Elsa Lanchester

Aunt Henrietta

Tommy Tune

Carnival Barker / Ernie Lewis

William Bakewell

Carnival Host / Norm

Eric Shea

Franklin / Rodney

Pat Morita

Jason Wong

Brian Bedford

Cholmondeley Featherstonehaugh

Jim Backus

Dr. Charles Walters

Edith Atwater

Miss Dunbar

Percy Helton

Mr. Rumble

Naomi Stevens

Luana

John Mills

Uncle Alfred

Joseph Mell

Mr. Driscoll

Ellen Corby

Mrs. Kaufman

Dabney Coleman

Detective Robinson

Richard Gates

Jim Swanton

Diana Chesney

Dr. Lois Hire

Lew Palter

Delivery Man

Marjorie Bennett

Aunt Agatha

Frank Ferguson

the Judge

J. Pat O'Malley

Officer Jim Burke

Cecil Kellaway

Judge Rousch

Henry Jones

Mr. Abercrombie

Ron Masak

Frankie

Joseph V. Perry

Joe

Jeff Donnell

Mrs. Winslow (uncredited)

Vince Howard

Airport Official (uncredited)

Aneta Corsaut

Dr. Neilson

Robert Ito

Fred (uncredited)

Larry Gelman

Reporter

Ray Bolger

Uncle Horace