Hayley Catherine Rose Vivien Mills (born 18 April 1946) is an English actress. The daughter of Sir John Mills and Mary Hayley Bell, and younger sister of actress Juliet Mills, Mills began her acting career as a child and was hailed as a promising newcomer, winning the BAFTA Award for Most Promising Newcomer for her performance in the British crime drama film Tiger Bay (1959), the Academy Juvenile Award for Disney's Pollyanna (1960) and Golden Globe Award for New Star of the Year – Actress in 1961. During her early career, she appeared in six films for Walt Disney, including her dual role as twins Susan and Sharon in the Disney film The Parent Trap (1961). Her performance in Whistle Down the Wind (a 1961 adaptation of the novel written by her mother) saw Mills nominated for BAFTA Award for Best British Actress.

Arthur's Whisky
Karen
2024

Trap
Dr. Josephine Grant
2024

Compulsion
Connie · (4 episodes)
2022

Last Train to Christmas
Mum
2021

The Wheel of Time
Gitara Moroso · (1 episode)
2021

Unforgotten
Lady Emma Hume · (6 episodes)
2015

Pinewood: 80 Years of Movie Magic
Self - Interviewee
2015

Richard Attenborough: A Life in Film
Self
2014

Death in Paradise
Nancy Martin · (1 episode)
2011

Celebrity Antiques Road Trip
Self - Participant · (1 episode)
2011

Foster
Mrs. Lange
2011

Mandie and the Cherokee Treasure
Mary Elizabeth Taft
2010

Moving On
Madge · (1 episode)
2009

The Boys: The Sherman Brothers' Story
Self
2009

The One Show
Self - Guest · (1 episode)
2006

Wild at Heart
(14 episodes)
2006

Wild at Heart
Caroline Du Plessis · (44 episodes)
2006
Stricken
Hildy
2005

Toward the Unknown Region: Malcolm Arnold - A Story of Survival
Self
2004

2BPerfectlyHonest
Terri
2004

Pollyanna: The Making of a Masterpiece
Self
2002

Recreating Pollyanna's America
Self
2002

Sir John Mills' Moving Memories
Self
2000
The Heaven and Earth Show
(1 episode)
1998

Midsomer Murders
Lizzy Thornfield · (1 episode)
1997

E! True Hollywood Story
(1 episode)
1996

A Troll in Central Park
Hilary (voice)
1994

After Midnight
Sally Ryan
1990

When We Were Young: Growing Up on the Silver Screen
Self
1989

Parent Trap: Hawaiian Honeymoon
Susan Wyatt / Sharon Evers
1989

Back Home
Mrs. Peggy Dickinson
1989

Parent Trap III
Susan Evers / Sharon Grand
1989

One More Audience with Dame Edna Everage
Self (uncredited)
1988

Good Morning, Miss Bliss
Carrie Bliss · (13 episodes)
1988

Appointment with Death
Miss Quinton
1988

The Parent Trap II
Susan Corey / Sharon Ferris
1986

Disney's Greatest Lullabies Volume 2
(archive footage)
1986

Amazing Stories
Joan Simmons · (1 episode)
1985

Murder, She Wrote
Cynthia Tate · (1 episode)
1984

The Flame Trees of Thika
Tilly · (7 episodes)
1981

Disney Animation: The Illusion of Life
Self - Host
1981

Tales of the Unexpected
Claire Hawksworth · (1 episode)
1979

An Audience with...
Self · (2 episodes)
1978

The Love Boat
Cheryl Tyson · (1 episode)
1977

The Love Boat
Leila Stanhope · (1 episode)
1977

The Love Boat
Dianne Tipton · (2 episodes)
1977

What Changed Charley Farthing?
Jenny
1976

The Kingfisher Caper
Tracy
1975

Deadly Strangers
Belle Adams
1975

Only a Scream Away
1974

Thriller
Samantha Miller · (1 episode)
1973

Endless Night
Ellie Thomsen
1972

Mr. Forbush and the Penguins
Tara St. John Luke
1971

Take a Girl Like You
Jenny Bunn
1970

Twisted Nerve
Susan Harper
1968

Pretty Polly
Polly Barlow
1967

Africa: Texas Style!
Blonde Girl at Airport (uncredited)
1967

The Family Way
Jenny Piper
1966

The Daydreamer
The Little Mermaid (voice)
1966

The Trouble with Angels
Mary Clancy
1966

Sky West and Crooked
Brydie White
1966

That Darn Cat!
Patti Randall
1965

The Truth About Spring
Spring Tyler
1965

The Moon-Spinners
Nikky Ferris
1964

The Chalk Garden
Laurel
1964

The Danny Kaye Show
Self · (1 episode)
1963

Summer Magic
Nancy Carey
1963

In Search of the Castaways
Mary Grant
1962

The Merv Griffin Show
Self · (1 episode)
1962

Whistle Down the Wind
Kathy Bostock
1961

The Parent Trap
Susan Evers / Sharon McKendrick
1961

Pollyanna
Pollyanna
1960

Tiger Bay
Gillie
1959

The Oscars
Self · (1 episode)
1953

What's My Line?
Self - Mystery Guest · (1 episode)
1950