Rosalind Russell

Mame Dennis

Forrest Tucker

Beauregard Jackson Pickett Burnside

Coral Browne

Vera Charles

Peggy Cass

Agnes Gooch

Jan Handzlik

Patrick Dennis - Younger

Roger Smith

Patrick Dennis - Older

Fred Clark

Dwight Babcock

Connie Gilchrist

Norah Muldoon

Yuki Shimoda

Ito

Patric Knowles

Lindsay Woolsey

Joanna Barnes

Gloria Upson

Pippa Scott

Pegeen Ryan

Lee Patrick

Doris Upson

Willard Waterman

Claude Upson

Henry Brandon

Acacius Page

Robin Hughes

Brian O'Bannion

Brook Byron

Sally Cato MacDougall

Carol Veazie

Mrs. Burnside

Dub Taylor

County Veterinarian (uncredited)

Margaret Dumont

Noblewoman in Play (uncredited)

Gregory Gaye

Vladimir Klinkoff (uncredited)

Leoda Richards

Party Guest (uncredited)

Hazel Shermet

Macy's Customer (uncredited)

Morton DaCosta

Edwin Dennis (voice) (uncredited)

Minta Durfee

Actress on Stage (uncredited)

Gloria Holden

Guest at Garden Party (uncredited)

Barbara Pepper

Mrs. Krantz (uncredited)

Fred Kelsey

Front Row Audience at Play (uncredited)

Jack Mower

Elevator Passenger (uncredited)

Olive Blakeney

Dowager (uncredited)

Lela Bliss

Party Guest (uncredited)

Colin Kenny

Perry (uncredited)

Frank McLure

Actor on Stage (uncredited)

Frank Baker

Party Guest (uncredited)

Harold Miller

Ship Passenger (uncredited)

Booth Colman

Alan - Party Guest (uncredited)

Peter Bourne

Party Guest (uncredited)

Adolph Faylauer

Sleeping Man in Audience (uncredited)

Chester Hayes

Party Guest (uncredited)

Frank McLure

Groom (uncredited)

Carl M. Leviness

Actor on Stage (uncredited)

Forbes Murray

Party Guest (uncredited)

Mike Lally

Stagehand (uncredited)

Doye O'Dell

Cousin Jeff (uncredited)

Sol Murgi

Party Guest (uncredited)

George Nardelli

Audience Member (uncredited)

Jack Perrin

Doorman (uncredited)

Jeffrey Sayre

Front Row Audience at Play (uncredited)

Richard Reeves

Mr. Krantz (uncredited)

Ruth Warren

Mrs. Jennings (uncredited)

Dean Smith

Puts Mame on her Horse (uncredited)

Arthur Tovey

Actor in Play (uncredited)