Casey made her first appearance in Chicago as Velma Kelly in 1998, a role she has reprised on numerous occasions.
A protégé of Bob Fosse, Nemetz first came to the attention of New York critics when she replaced Chita Rivera as Velma Kelly in Fosse's production of Chicago.
Women who have portrayed Velma on the Broadway stage include: Chita Rivera, Terra C. MacLeod, Amra-Faye Wright, Nancy Hess, Deidre Goodwin, Brenda Braxton, Caroline O'Connor, Roxana Carrasco, Bebe Neuwirth, Reva Rice, Donna Marie Asbury, Lori Ellis, Stephanie Brown, Holly Shepard, Pia Douwes and Ute Lemper.
Kelly Clarkson | R. Kelly | Paul Kelly | Grace Kelly | Gene Kelly | Live! with Kelly and Michael | Paul Kelly (musician) | Kelly Rowland | Ned Kelly | Kelly Pavlik | Kelly | Kelly Ripa | Jim Kelly | Kelly Osbourne | Kelly Chen | Sam Kelly | Mary Kelly | Lorraine Kelly | Joe Kelly | Frank Kelly Freas | Ellsworth Kelly | Raymond Kelly | Robert "Bob" Kelly | Kelly's Heroes | Kelly Holmes | John Kelly of Killanne | Brian Kelly | Wynton Kelly | Theo Kelly | Richard Kelly |
Belva Gaertner, the inspiration for the character of Velma Kelly in Chicago
She later took the role of Roxie Hart in Chicago: A Musical Vaudeville (known today as Chicago The Musical) in the original London production, alongside Jenny Logan (who played Velma Kelly) in 1979.
In 2008, it was announced that she will be Velma Kelly for the Japanese version of Chicago with Ryoko Yonekura as Roxie and Ryuichi Kawamura as Billy in October and November.