John Simm Jack Whelan Actor James Frain Richard Shepherd Actor Millie Bobby Brown Madison O'Donnell Actor Tory Kittles Gary Fischer Actor Mira Sorvino Amy Whelan Actor Karin Konoval Bobbi Zimmerman Guest Star Tom Butler Brad Zimmerman Guest Star David Dastmalchian Oz Turner Guest Star Robert Forster Frank Shepherd Guest Star Katherine Evans Donna Albert Guest Star Arielle Tuliao Donna's Birthday Party Friend Guest Star Dylan Wolfe Young Jack Whelan Guest Star Shamier Anderson Young Gary Fischer Guest Star Joanne Wilson Donna's Mom Guest Star Kathleen Duborg Judy Anderson Guest Star Donnie MacNeil Matt Anderson Guest Star Sonya Salomaa Allison O'Donnell Guest Star Peter Bryant George Brackett Guest Star Eric Banerd Valet Guest Star Connor Dunn Marcus Guest Star Jane Tranter Executive Producer Julie Gardner Executive Producer Glen Morgan Executive Producer Rose Lam Executive Producer