Hruby's first recurring role as a child actor was in the TV miniseries Seven Little Australians.

She featured in the TV serial The Young Doctors as Sandy Pearce, girlfriend of Roger Gordon in from 1977 to 1978.

She has also appeared in TV series such as Sons and Daughters as Tracy Kingsford, A Country Practice, All Saints, Cop Shop and mini-series such as The Harp in the South and Poor Man's Orange.

Hruby also works as a voice-over artist in advertisements and television network promotions for Foxtel, the Channel 7.

She is the current voice artist for Telstra, Australia's largest telecommunications company.