Sylvia

Carroll Baker

Sylvia: West (Karoki, Kay, Carlyle)

George Maharis

Alan Macklin

Joanne Dru

Jane (Bronson) Phillips

Peter Lawford

Frederic Summers

Viveca Lindfors

Irma Olanski

Edmond O'Brien

Oscar Stewart

Aldo Ray

Jonas Karoki

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)

Howard Beals

Sound Editor

Edith Head

Costume Design

Hal Pereira

Art Direction

Sam Comer

Set Decoration

Wally Westmore

Makeup Supervisor

Arthur Krams

Set Decoration

Harry Lindgren

Sound Recordist

Howard Fast

Screenplay

Joseph Ruttenberg

Director of Photography

Frank Bracht

Editor

Steve Shagan

Associate Producer

David Raksin

Original Music Composer

Roland Anderson

Art Direction

Nellie Manley

Hair Supervisor

Gordon Douglas

Director

Van Cleave

Orchestrator

Martin Poll

Producer

Paul Anka

Theme Song Performance

Sydney Boehm

Screenplay

Edward B. Powell

Orchestrator