20th Tony Awards

The 20th Annual Tony Awards was broadcast on June 16, 1966, from the Rainbow Room at Rockefeller Center on radio station WCBS. This was the first afternoon Tony Awards ceremony. The Masters of Ceremonies were George Abbott and Ginger Rogers. The ceremony was sponsored by the League of New York Theatres in conjunction with the American Theatre Wing, which had previously solely arranged the ceremony.

Eligibility

Shows that opened on Broadway during the 1965–1966 season before May 26, 1966 are eligible.
;Original plays

The Best Laid Plans
Cactus Flower
The Caucasian Chalk Circle
The Condemned of Altona
The Devils
Entertaining Mr Sloane
First One Asleep, Whistle
Generation
The Great Indoors
Happily Never After
Hostile Witness
The Impossible Years
Inadmissible Evidence
The Lion in Winter
Malcolm
Marat/Sade
Mark Twain Tonight!
Mating Dance
Me and Thee
Minor Miracle
Mrs. Dally
Nathan Weinstein, Mystic, Connecticut
Philadelphia, Here I Come!
The Playroom
Postmark Zero
The Right Honourable Gentleman
The Royal Hunt of the Sun
Slapstick Tragedy
3 Bags Full
UTBU
A Very Rich Woman
Wait Until Dark
The Wayward Stork
Where's Daddy?
Xmas in Las Vegas

;Original musicals

Anya
Drat! The Cat!
It's a Bird... It's a Plane... It's Superman
La Grosse Valise
Mame
Man of La Mancha
On a Clear Day You Can See Forever
Pickwick
Pousse-Café
Skyscraper
Sweet Charity
A Time for Singing
Wait a Minim!
The Yearling
The Zulu and the Zayda

;Play revivals

The Country Wife
Danton's Death
Ivanov
''You [Can't Take It with You (play)|You Can't Take It with You]''

The ceremony

Presenters: Lauren Bacall, Herschel Bernardi, Sandy Dennis, Henry Fonda, Phil Ford, Mimi Hines, Ray Milland, Barry Nelson, Mike Nichols, Thelma Oliver, April Olrich, Maureen O'Sullivan, Neil Simon
Music was by Meyer Davis and his Orchestra.

Award winners and nominees

Winners are in bold

Best Play	Best Musical
Marat/Sade – Peter Weiss * Inadmissible Evidence – John Osborne** * Philadelphia, Here I Come! – Brian Friel** * The Right Honourable Gentleman – Michael Dyne	Man of La Mancha * Mame * Skyscraper * Sweet Charity
Best Performance by a Leading Actor in a Play	Best Performance by a Leading Actress in a Play
Hal Holbrook – Mark Twain Tonight! as Mark Twain * Roland Culver – Ivanov as Pavel Lebedev *** Donal Donnelly and Patrick Bedford – Philadelphia, Here I Come! as Gareth O'Donnell** * Nicol Williamson – Inadmissible Evidence as Bill Maitland	Rosemary Harris – The Lion in Winter as Eleanor of Aquitaine * Sheila Hancock – Entertaining Mr Sloane as Kath * Kate Reid – Slapstick Tragedy as Celeste/Molly * Lee Remick – Wait Until Dark as Susy Hendrix
Best Performance by a Leading Actor in a Musical	Best Performance by a Leading Actress in a Musical
Richard Kiley – Man of La Mancha as Don Quixote/Cervantes * Jack Cassidy – It's a Bird... It's a Plane... It's Superman as Max Mencken * John Cullum – On a Clear Day You Can See Forever as Dr. Mark Bruckner * Harry Secombe – Pickwick as Pickwick	Angela Lansbury – Mame as Mame Dennis * Barbara Harris – On a Clear Day You Can See Forever as Daisy/Melinda * Julie Harris – Skyscraper as Georgina * Gwen Verdon – Sweet Charity as Charity Hope Valentine
Best Performance by a Supporting or Featured Actor in a Play	Best Performance by a Supporting or Featured Actress in a Play
Patrick Magee – Marat/Sade as Marquis de Sade * Burt Brinckerhoff – Cactus Flower as Igor * Larry Haines – Generation as Stan Herman *** Eamon Kelly – Philadelphia, Here I Come! as S. B. O'Donnell**	Zoe Caldwell – Slapstick Tragedy as Polly * Glenda Jackson – Marat/Sade as Charlotte Corday *** Mairin D. O'Sullivan – Philadelphia, Here I Come! as Madge** * Brenda Vaccaro – Cactus Flower as Toni
Best Performance by a Supporting or Featured Actor in a Musical	Best Performance by a Supporting or Featured Actress in a Musical
Frankie Michaels – Mame as Patrick Dennis * Roy Castle – Pickwick as Sam Weller * John McMartin – Sweet Charity as Oscar * Michael O'Sullivan – It's a Bird... It's a Plane... It's Superman as Dr. Abner Sedgwick	Beatrice Arthur – Mame as Vera Charles * Helen Gallagher – Sweet Charity as Nickie * Patricia Marand – It's a Bird... It's a Plane... It's Superman as Lois Lane * Charlotte Rae – Pickwick as Mrs. Bardell
Best Direction of a Play	Best Direction of a Musical
Peter Brook – Marat/Sade * Hilton Edwards – Philadelphia, Here I Come! * Ellis Rabb – You Can't Take It with You * Noel Willman – The Lion in Winter	Albert Marre – Man of La Mancha * Cy Feuer – Skyscraper**** * Bob Fosse – Sweet Charity * Gene Saks – Mame
Best Original Score (Music and/or Lyrics) Written for the Theatre	Best Choreography
Man of La Mancha – Mitch Leigh and Joe Darion * Sweet Charity – Cy Coleman and Dorothy Fields * Mame – Jerry Herman * On a Clear Day You Can See Forever – Burton Lane and Alan Jay Lerner	Bob Fosse – Sweet Charity * Jack Cole – Man of La Mancha**** * Michael Kidd – Skyscraper * Onna White – Mame
Best Scenic Design	Best Costume Design
Howard Bay – Man of La Mancha * William Eckart and Jean Eckart – Mame * David Hays – Drat! The Cat! * Robert Randolph – Anya, Skyscraper and Sweet Charity	Gunilla Palmstierna-Weiss – Marat/Sade Loudon Sainthill – The Right Honourable Gentleman* * Howard Bay and Patton Campbell – Man of La Mancha * Irene Sharaff – Sweet Charity

Special awards

, for a lifetime of devotion and dedicated service to the Broadway theatre.

Multiple nominations and awards

These productions had multiple nominations:

9 nominations: ''Sweet Charity
8 nominations: Mame
7 nominations: Man of La Mancha
5 nominations: Marat/Sade, Philadelphia, Here I Come! and Skyscraper
3 nominations: It's a Bird... It's a Plane... It's Superman, On a Clear Day You Can See Forever and Pickwick
2 nominations: Cactus Flower, Inadmissible Evidence, The Lion in Winter, The Right Honourable Gentleman and Slapstick Tragedy

The following productions received multiple awards.

5 wins: Man of La Mancha
4 wins: Marat/Sade
3 wins: Mame''