[3] Welch's film career began in Italy starring opposite Virna Lisi.
She played the part of Princess Rosebud in the Golan Globus adaptation of Sleeping Beauty.
[4] Returning to Europe, Welch worked mostly in Italian and German film and television productions.
She appeared in American independent films I Shot Andy Warhol, Sue, and Search and Destroy.
Welch posed on the cover and a nude pictorial in the November 1995 edition of Playboy.