Alison Pill as Katy Carr

Megan Follows as Cousin Helen

Martha Burns as Aunt Izzie

Kevin Whately as Dr. Carr

Jan Rubeš as Dr. Reinhart

Dean Stockwell as Tramp

Sophie Bennett as Elsie Carr

Michael Cera as Dorry Carr

Bryn McAuley as Joanna Carr

Brittany Allen as Cecy Hall

Patrick Thomas as Ned

Catherine Fitch as Debbie

Gerry Mendicino as Signor Rinaldo

Vickie Papavs as Mrs. Hall

Paul Braunstein as Telegraph Operator

Kay Hawtrey as Mrs. Worrett

Marcia Bennett as Mrs. Pattifer

Karen Kennedy as Coffee Shop Lady