Noah Wyle Dr. John Carter Actor Laura Innes Dr. Kerry Weaver Actor Alex Kingston Dr. Elizabeth Corday Actor Goran Visnjic Dr. Luka Kovac Actor Maura Tierney Abby Lockhart Actor Ming-Na Wen Actor Sherry Stringfield Dr. Susan Lewis Actor Sharif Atkins Actor Mekhi Phifer Dr. Gregory Pratt Actor Linda Cardellini Nurse Samantha Taggart Actor Parminder Nagra Dr. Neela Rasgotra Actor Thandiwe Newton Makemba 'Kem' Likasu Guest Star Pragna Desai Angelique Guest Star Jarreth J. Merz Charles Guest Star Moshidi Motshegwa Céline Guest Star Troy Evans Frank Martin Guest Star William Abadie David Guest Star Sandra Nelson Michelle Guest Star Alyson Reed Ginny Guest Star Joy Bryant Valerie Gallant Guest Star Mary McCormack Debbie Guest Star John Wells Executive Producer Michael Crichton Executive Producer Neal Baer Executive Producer Jack Orman Executive Producer