Admiral Katrina Cornwell (12 episodes)
Katherine
Senator Valerie Bloomfield (1 episode)
Loretta Deaton (1 episode)
Claudia Peterson (1 episode)
Dr. Meg Porter (5 episodes)
Bertha Wandell (3 episodes)
Rebecca Green (1 episode)
Gwen Graber (1 episode)
Rachel Lewiston (4 episodes)
Mrs. Rogers (2 episodes)
Claire Deeton, Darcy's mother
Mia Eckhart (1 episode)
Maureen Robinson
Anne Atkins (1 episode)
Jamie Avery (21 episodes)
Wendy Miller (7 episodes)
Mary Ann Mitchell (23 episodes)
Alison Shaeffer
Hannah Berrick
Dr. Diane Grad (1 episode)
Marie Freeman
Lydia
Irma Millard / Hermit of the Lagoon
Claire
Diane Grad (103 episodes)
Paula
Sarah Berkezchuk (13 episodes)
Zach's Mother
Ann Hudson (20 episodes)
Teacher - JFK High School