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Only Connect is the eleventh episode of the eleventh season of ER, and the two hundred thirty-fourth episode overall.
Starring: Noah Wyle (Dr. John Carter), Maura Tierney (Dr. Abby Lockhart), Mekhi Phifer (Dr. Gregory Pratt), Goran Visnjic (Dr. Luka Kovac), Sherry Stringfield (Dr. Susan Lewis), Parminder Nagra (Dr. Neela Rasgotra), Linda Cardellini (Nurse Samantha Taggart), Shane West (Dr. Ray Barnett)
Guest Starring: Sara Gilbert (Jane Figler), Scott Grimes (Dr. Archie Morris), Abraham Benrubi (Jerry Markovic), Laura Cerón (Chuny Marquez), Troy Evans (Frank), Yvette Freeman (Haleh Adams), Marla Gibbs (Cherise Barnes), Marissa Matrone (Kitty Peyser), Tom McCleister (Larry), Kylie Sparks (Amy Packer), Jamie Torcellini (Ralph Meacham)
Co-Starring: Jillian Bach (Penny), Roxana Brusso (Mari Hinjosa), KC Clyde (PCP Patient), Candace Edwards (Lacy), Mary Heiss (Nurse Mary), Brian Lester (Dumar), Louie Liberti (Paramedic Bardelli), William Mace (Cullum), Larry Michelson (Mr. Arrigo), Bob Minor (Security Guard), Lizzie Peet (Jinko), Arlene Tai (Miss Tobel)