Judy Holliday

Ella Peterson

Dean Martin

Jeffrey Moss

Fred Clark

Larry Hastings

Eddie Foy Jr.

J. Otto Prantz

Jean Stapleton

Sue

Dort Clark

Inspector Barnes

Frank Gorshin

Blake Barton

Valerie Allen

Olga

Gerry Mulligan

Ella's Blind Date

Lela Bliss

Party Guest (uncredited)

Oliver Blake

Ludwig Smiley (uncredited)

Herb Vigran

Barney Lampwick (uncredited)

Len Lesser

Charlie Bessemer (uncredited)

Barbara Hines

Party Guest (uncredited)

Marina Koshetz

Mme Grimaldi (uncredited)

Hal Linden

Singer (uncredited)

Titus Moede

Beatnik (uncredited)

Maida Severn

(uncredited)

Olan Soule

Nervous Man (uncredited)

Elizabeth Montgomery

Girl Reading Book (uncredited)

Jean Moorhead

Party Guest (uncredited)