Doris Packer, who plays millionairess Mrs. Fenwick, also played millionairess Mrs. Osborn in The Many Loves of Dobie Gillis (1959).
This show's copyright has expired and it is now in the public domain.
Joanna Barnes (Cynthia Fenwick) was adept at playing socialites with mid-Atlantic accents, having previously done so in Auntie Mame (1958).