Underwood, Peggy: [ACJ]
I have found no evidence to date that Peggy Underwood ever performed in any Ziegfeld productions.
Upton, Frances: [ACJ]
(April 15, 1904) November 27, 1975) Frances Upton performed in the Ziegfeld Follies of 1927 and Ziegfeld's musical Whoopee (1928-1929).
Upton, Peggy: [ACJ]
According to a cast photo I have from a Ziegfeld theatre program, Peggy Upton performed in the Ziegfeld musical Whoopee (1928-1929).