Attore	Ruolo
Ann Sothern	Mrs. Argona / Grace Argona
Lloyd Bochner	Bruce Stamford III
Paul Gilbert	Lola Diamond
Jay Novello	Father Gonzales
Nancy Kovack	Big Shirley
Gene Lyons	Gavin Cullen
Anthony Caruso	Wilbur (aka "Muscles")
Alan Carney	Gus
Shirley O'Hara	Mrs. Karoki
Ricky Allen	Herbert, the Boy in the Library (uncredited)
Val Avery	Pudgey Smith (uncredited)
Majel Barrett	Anne (uncredited)
Jean Del Val	Maitre'd (uncredited)
Connie Gilchrist	Molly Banter (uncredited)
Gavin Gordon	Butler (uncredited)
Clive Halliday	Calligraphy Professor (uncredited)
John Harmon	Sid (uncredited)

Stacy Harris	Mr. Leland (uncredited)
Kathleen Mulqueen	Assistant Principal (uncredited)
Manuel Padilla Jr.	Pancho Guzman (uncredited)
Robert Random	(uncredited)
Gene Roth	Professor Eglebert (uncredited)
Geraldine Wall	Clerk at Private Hospital (uncredited)
Paul Wexler	Peter Memel (uncredited)

Dettaglio	Valore
Titolo originale	Sylvia
Lingua originale	English (EN)
Lingue parlate	English
Paesi di produzione	United States of America
Stato	Released
Compagnie di produzione	Martin Poll Productions, Paramount Pictures
Data di uscita	10 febbraio 1965
Producer	Shirley Mellner, Martin Poll, Steve Shagan
Writer	Sydney Boehm, Howard Fast
Editors	Frank Bracht
Cinematography	Joseph Ruttenberg
Asst. Directors	Dick Moder, Gordon Douglas
Production Design	Arthur Krams, Sam Comer, Hal Pereira, Roland Anderson
Art Direction	Hal Pereira, Roland Anderson, Arthur Krams, Sam Comer

Set Decoration	Arthur Krams, Sam Comer, Hal Pereira, Roland Anderson
Special Effects	Paul K. Lerpae
Visual Effects	Farciot Edouart
Composer	David Raksin, John Wilkinson, Harry Lindgren, Van Cleave, Paul Anka, Edward B. Powell, Howard Beals
Sound	David Raksin, John Wilkinson, Harry Lindgren, Van Cleave, Paul Anka, Edward B. Powell, Howard Beals
Costume Design	Edith Head, Wally Westmore, Nellie Manley
Makeup	Wally Westmore, Edith Head, Nellie Manley
Hairstyling	Wally Westmore, Edith Head, Nellie Manley

Video

Cast Principale