Gene Kelly as Don Lockwood

Donald O'Connor as Cosmo Brown

Debbie Reynolds as Kathy Selden

Jean Hagen as Lina Lamont

Millard Mitchell as R.F. Simpson

Cyd Charisse as Dancer

Douglas Fowley as Roscoe Dexter

Rita Moreno as Zelda Zanders

Mae Clarke as Hairdresser (uncredited)

Bess Flowers as Audience Member (uncredited)

Robert Foulk as Matt - Policeman (uncredited)

Kathleen Freeman as Phoebe Dinsmore (uncredited)

Joi Lansing as Chorus Girl (uncredited)

Sylvia Lewis as Female Tango Dancer (uncredited)

Harry 'Snub' Pollard as Old Man Getting Umbrella in "Singin' in the Rain" Number (uncredited)

William Schallert as Messenger on Screen (uncredited)

Elaine Stewart as Lady-in-Waiting (uncredited)

Brick Sullivan as Policeman in "Singin' in the Rain" Number (uncredited)

John George as Audience Member (uncredited)

King Donovan as Rod (uncredited)

Lana Turner as Actress in 'The Royal Rascal' (uncredited)

Allen Sutherland as Don as a Boy (uncredited)

Dawn Addams as Teresa - a Lady-in-Waiting (uncredited)

John Albright as Call Boy (uncredited)

Betty Van Allen as Chorus Girl (uncredited)

Sue Allen as Chorus Girl (uncredited)

Marie Ardell as Chorus Girl (uncredited)

Bette Arlen as 'Miss January' in 'Beautiful Girl' segment (uncredited)

David Bair as Chorus Boy (uncredited)

Jimmy Bates as Boy (uncredited)

Mary Bayless as Audience Member (uncredited)

Marcella Becker as Chorus Girl (uncredited)

Margaret Bert as Wardrobe Woman (uncredited)

Madge Blake as Dora Bailey (uncredited)

Lulu Mae Bohrman as Audience Member (uncredited)

Gail Bonney as Audience Member (uncredited)

Chet Brandenburg as Film Crew Member (uncredited)

Tex Brodus as Party Guest (uncredited)

Barbara Carroll as 'Miss February' in 'Beautiful Girl' Segment (uncredited)

Gwen Carter as Girl Talking with Cosmo at Party (uncredited)

Bill Chatham as Chorus Boy (uncredited)

Lyle Clark as Audience Member (uncredited)

Dorinda Clifton as 'Miss August' in 'Beautiful Girl' segment (uncredited)

Harry Cody as Audience Member (uncredited)

Chick Collins as Fencer (uncredited)

Pat Conway as Projectionist (uncredited)

Jeanne Coyne as Chorus Girl (uncredited)

Ruby C. Currie as Audience Member (uncredited)

Fred Datig Jr. as Movie Usher (uncredited)

Bert Davidson as Sound Engineer (uncredited)

Robert Dayo as Chorus Boy (uncredited)

Gloria Dea as Chorus Girl (uncredited)

Patricia Denise as Chorus Girl (uncredited)

Harry Denny as Party Guest (uncredited)

Kay Deslys as Audience Member (uncredited)

John Dodsworth as Baron de la Ma de la Toulon (uncredited)

Michael Dugan as Audience Member (uncredited)

Phil Dunham as Audience Member (uncredited)

Helen Eby-Rock as Audience Member (uncredited)

Richard Emory as Phil - Villain in Barroom Brawl (uncredited)

Betty Erbes as Chorus Girl (uncredited)

Charles Evans as Audience Member (uncredited)

Tommy Farrell as Sid Phillips (uncredited)

Ernie Flatt as Chorus Boy (uncredited)

George Ford as Security Guard (uncredited)

Robert Fortier as Gangster in Broadway Melody Ballet (uncredited)

Dan Foster as Assistant Director (uncredited)

Clair Freeman as Dancer (uncredited)

Lance Fuller as Chorus Boy (uncredited)

Doris Fulton as 'Miss October' in 'Beautiful Girl' Segment (uncredited)

Jeanne Gail as Chorus Girl (uncredited)

Glen Gallagher as Audience Member (uncredited)

Jon Gardner as Kid (uncredited)

Diane Garrett as Usherette (uncredited)

Jack George as Orchestra Leader (uncredited)

Kenneth Gibson as Party Guest (uncredited)

Mickey Golden as Audience Member (uncredited)

Inez Gorman as Mrs. Simpson (uncredited)

A. Cameron Grant as Audience Member (uncredited)

Beatrice Gray as Audience Member (uncredited)

Marion Gray as Audience Member (uncredited)

Robert Haines as Awards Ceremony Attendee (uncredited)

William Hamel as Audience Member (uncredited)

Betty Hannon as Chorus Girl (uncredited)

Sam Harris as Audience Member (uncredited)

Jean Harrison as 'Miss April' in 'Beautiful Girl' Segment (uncredited)

Timmy Hawkins as Boy (uncredited)

Jack Hendricks as Film Crew Member (uncredited)

Lars Hensen as Minor Role (uncredited)

Jean Heremans as Fencer (uncredited)

Stuart Holmes as J. Cumberland Spendrill III (uncredited)

Don Hulbert as Chorus Boy (uncredited)

Frank Hyers as Audience Member (uncredited)

Patricia Jackson as Chorus Girl (uncredited)

Ivor James as Chorus Boy (uncredited)

Morgan Jones as Audience Member (uncredited)

David Kasday as Kid (uncredited)

Jan Kayne as Usherette (uncredited)

Jimmy Kelly as Chorus Boy (uncredited)

Kenner G. Kemp as Police Escort at Premiere (uncredited)

Mike Lally as Audience Member (uncredited)

Judy Landon as Olga Mara (uncredited)

Joi Lansing as 'Miss November' in 'Beautiful Girl' segment (uncredited)

Janet Lavis as Chorus Girl (uncredited)

Virginia Lee as Chorus Girl (uncredited)

Meredith Leeds as 'Miss December' in 'Beautiful Girl' Segment (uncredited)

William F. Leicester as Audience Member (uncredited)

Peggy Leon as Audience Member (uncredited)

Diki Lerner as Male Tango Dancer (uncredited)

Bill Lewin as Bert - Cowboy Knocked Out in Barroom Brawl (uncredited)

King Lockwood as Assistant Cameraman (uncredited)

Leon Lontoc as Filipino Butler (uncredited)

Leota Lorraine as Film Crew Member (uncredited)

Paul Maxey as Dancing Fat Man at Party (uncredited)

Dorothy McCarty as Chorus Girl (uncredited)

Ann McCrea as Chorus Girl (uncredited)

Philo McCullough as Audience Member (uncredited)

Ray McDonald as Dancer (uncredited)

Johnny McGovern as Boy (uncredited)

Joseph Mell as Projectionist (uncredited)

Carl Milletaire as Villain (uncredited)

Gloria Moore as Chorus Girl (uncredited)

Forbes Murray as Club Patron (uncredited)

Peggy Murray as Chorus Girl (uncredited)

Anne Neyland as Chorus Girl (uncredited)

Ruth Packard as Audience Member (uncredited)

Dorothy Patrick as Usherette (uncredited)

Allen Pinson as Fencer (uncredited)

Angi O. Poulos as Fruit Peddler (uncredited)

George Reeder as Dancer (uncredited)

Charles Regan as Saloon Keeper (uncredited)

Shirley Jean Rickert as Chorus Girl (uncredited)

Joanne Rio as Chorus Girl (uncredited)

Tony Rocke as Man in Forecourt (uncredited)

Victor Romito as Audience Member (uncredited)

Dennis Ross as Cosmo as a Boy (uncredited)

Paul Salata as Chorus Boy (uncredited)

Cosmo Sardo as Party Guest (uncredited)

Phil Schumacher as Audience Member (uncredited)

Betty Scott as Chorus Girl (uncredited)

David Sharpe as Fencer (uncredited)

Julius Tannen as Man in Talking Pictures Demonstration (uncredited)

Harry Tenbrook as Sound Technician (uncredited)

Beverly Thomas as 'Miss March' in 'Beautiful Girl' Segment (uncredited)

Beverly Thompson as 'Miss June' in 'Beautiful Girl' Segment (uncredited)

Dee Turnell as 'Miss July' in 'Beautiful Girl' segment (uncredited)

Dorothy Tuttle as Dancer (uncredited)

Tyra Vaughn as Chorus Girl (uncredited)

Pat Walker as 'Miss September' in 'Beautiful Girl' Segment (uncredited)

Tommy Walker as Chorus Boy (uncredited)

Bobby Watson as Diction Coach (uncredited)

Chalky Williams as Awards Ceremony Attendee (uncredited)

Robert B. Williams as Policeman (uncredited)

Wilson Wood as Rudy Vallee Impersonator (uncredited)

Adam York as Publicity Man (uncredited)

Norma Zimmer as Chorus Girl (uncredited)

Finn Zirzow as Awards Ceremony Attendee (uncredited)

Jimmy Thompson as Singer in ‘Beautiful Girl’ Segment (uncredited)