[3] She is the author of the novels Wayward Saints and The Town Crazy and the children's book Want to Be in a Band?

[7] She was briefly a member of Four Bitchin' Babes, appearing on their album Some Assembly Required.

[7] In 2004 Roche appeared on Crash Test Dummies album Songs of the Unforgiven.

She appeared in the 1988 romantic comedy Crossing Delancey,[9] the 1982 film Soup for One,[10] and the 2016 short film The Law of Averages, where she plays the lead role of a conflicted mother in rural Quebec following the loss of her own mother.

[11] Roche also appeared with her siblings (playing themselves) in the 1996 comedy A Weekend in the Country.