Rosalind Russell as Mame Dennis

Forrest Tucker as Beauregard Jackson Pickett Burnside

Coral Browne as Vera Charles

Fred Clark as Dwight Babcock

Roger Smith as Patrick Dennis - Older

Patric Knowles as Lindsay Woolsey

Peggy Cass as Agnes Gooch

Jan Handzlik as Patrick Dennis - Younger

Joanna Barnes as Gloria Upson

Pippa Scott as Pegeen Ryan

Lee Patrick as Doris Upson

Willard Waterman as Claude Upson

Robin Hughes as Brian O'Bannion

Connie Gilchrist as Norah Muldoon

Yuki Shimoda as Ito

Brook Byron as Sally Cato MacDougall

Carol Veazie as Mrs. Burnside

Henry Brandon as Acacius Page

Frank Baker as Party Guest (uncredited)

Lela Bliss as Party Guest (uncredited)

Margaret Dumont as Noblewoman in Play (uncredited)

Gregory Gaye as Vladimir Klinkoff (uncredited)

Colin Kenny as Perry (uncredited)

Frank McLure as Actor on Stage (uncredited)

Harold Miller as Ship Passenger (uncredited)

Leoda Richards as Party Guest (uncredited)

Bert Stevens as Party Guest (uncredited)

Dub Taylor as County Veterinarian (uncredited)

John Alban as Party Guest (uncredited)

Edna Smith as

Raoul Freeman as Actor on Stage (uncredited)

Sam Harris as Mr. Jackson (uncredited)

John Albright as Elevator Operator (uncredited)

Cris Alexander as Mr. Loomis (uncredited)

Walter Bacon as Guest at House (uncredited)

Olive Blakeney as Dowager (uncredited)

Nina Borget as Audience Member (uncredited)

Peter Bourne as Party Guest (uncredited)

John Caler as College Boy (uncredited)

Evelyn Ceder as Woman in White (uncredited)

Roydon Clark as Stable Boy (uncredited)

Booth Colman as Alan - Party Guest (uncredited)

Max Cutler as Gangster (uncredited)

Morton DaCosta as Edwin Dennis (voice) (uncredited)

Jack Daly as Workman (uncredited)

Mark Dana as Reginald (uncredited)

Paul Davis as Stage Manager (uncredited)

Minta Durfee as Actress on Stage (uncredited)

Saundra Edwards as Party Guest (uncredited)

Adolph Faylauer as Sleeping Man in Audience (uncredited)

Charles Fogel as Macy's Customer (uncredited)

Kay Garrett as Audience Member (uncredited)

Robert Gates as Actor as 'Lord Dudley' (uncredited)

James Gonzalez as Party Guest (uncredited)

Rand Harper as Pianist (uncredited)

Michael Harris as Party Guest (uncredited)

Chester Hayes as Party Guest (uncredited)

Charles Heard as Dr. Feuchtwanger (uncredited)

Butch Hengen as Emory MacDougall (uncredited)

Gloria Holden as Guest at Garden Party (uncredited)

Dick Hudkins as Stable Boy (uncredited)

Terry Kelman as Michael Dennis (uncredited)

Fred Kelsey as Front Row Audience at Play (uncredited)

Mike Lally as Stagehand (uncredited)

Louise Lane as Jazzy Dame (uncredited)

Perk Lazelle as Party Guest (uncredited)

Cajan Lee as Woman Hunter (uncredited)

Carl M. Leviness as Actor on Stage (uncredited)

Robert Locke Lorraine as Party Guest (uncredited)

Thomas Martin as Party Guest (uncredited)

Tom McDonough as Expressman (uncredited)

Owen McGiveney as Man Wearing Monocle (uncredited)

Frank McLure as Groom (uncredited)

Jack Mower as Elevator Passenger (uncredited)

Sol Murgi as Party Guest (uncredited)

Forbes Murray as Party Guest (uncredited)

George Nardelli as Audience Member (uncredited)

Ron Nyman as Party Guest (uncredited)

Doye O'Dell as Cousin Jeff (uncredited)

Barbara Pepper as Mrs. Krantz (uncredited)

Fred Perce as Macy's Customer (uncredited)

Jack Perrin as Doorman (uncredited)

Richard Reeves as Mr. Krantz (uncredited)

Waclaw Rekwart as Party Guest (uncredited)

Larry Rio as Taxi Driver (uncredited)

Gladys Varden as Mrs. Klinkoff (uncredited)

Victor Romito as Party Guest (uncredited)

Sam Savitsky as Party Guest (uncredited)

Jeffrey Sayre as Front Row Audience at Play (uncredited)

Hazel Shermet as Macy's Customer (uncredited)

Dean Smith as Puts Mame on her Horse (uncredited)

Edna Smith as Party Guest (uncredited)

Smokey as Mame's Horse (uncredited)

Arthur Tovey as Actor in Play (uncredited)

Eleanore Vogel as Party Guest (uncredited)

Glen Walters as Party Guest (uncredited)

Ruth Warren as Mrs. Jennings (uncredited)