| Pro | Darren |
Eberheart | Intellectually disabled student. Jonathan's patient. |
| | Mrs. |
Greiner | One of Darren's teachers. |
| | Jonathan |
Gordon | Psychologist at Topeka called the Foundation. Aka: Dr. J. |
| | Mandy |
Owen | The freshman who was attacked by Darren. |
| 1 | |
| THE SPREAD (ADAM) |
| | Adam |
Gordon | Jonathan's son. A skillful debater. |
| | Amber |
| Adam's girlfriend. |
| | Klaus |
| Jonathan's friend. |
| | Sean |
McCabe | Adam's acquaintance. |
| | Bob |
Dole | American politician who represented Kansas in the U.S. Senate. |
| | Ross |
Perot | American business magnate, billionaire, and philanthropist. |
| | Joanna |
| Adam's debate partner. |
| | Coach |
Mulroney | One of Adam's coaches. |
| | |
Rohan | One of Adam's debate opponents. |
| | |
Vinay | One of Adam's debate opponents. |
| | |
Spears | One of Adam's coaches. |
| | Bill |
Clinton | 42nd President of the United States. |
| | Paul |
Manafort | American former lobbyist, political consultant, and attorney. |
| | Kenneth |
Erwood | One of few openly gay men in Topeka. |
| | Fred |
Phelps | Baptist minister and disbarred attorney. |
| | Robert |
Bly | Poet, activist and leader of the
mythopoeia men's movement. |
| | Jane |
Gordon | Works as a psychologist at the Foundation. |
| | Thomas |
Attison | Psychiatrist. Aka: Dr. Tom. |
| | Mrs. |
Caldwell | One of Darren's teachers. |
| | Jason |
Davis | Sima's son. |
| | Pam |
| Mrs. Caldwell's assistant. |
| 2 | |
| SPEECH SHADOWING (JONATHAN) |
| | |
Ziegler | Character in Hermann Hesse book. |
| | Rachel |
| Jonathan's ex-wife. |
| | Dr. |
Samuels | Jonathan's analyst in graduate school. |
| | Herman |
Hesse | German-Swiss poet, novelist, and painter. |
| | Aaron |
Nagel | One of the participants in Jonathan's in experiment. |
| | Buster |
Keaton | American actor and filmmaker. |
| | John |
Birch | English luthier mainly known for his electric guitars. |
| | Gregory |
Peck | American actor. |
| | Ingrid |
Bergman | Swedish actress. |
| | David |
| Dr. Tom's younger brother. |
| | Sigmund |
Freud | Austrian neurologist known as the founding father of psychoanalysis. |
| | Samantha |
Gibson | Psychologist. |
| | Eric |
| Psychiatrist. Sima's husband. |
| | Jacob |
| Jonathan's intern. |
| | Orson |
Welles | American director, actor, screenwriter, and producer. |
| | Carl |
Jung | Swiss psychiatrist and psychotherapist who founded analytical psychology. |
| | Elke |
| Klaus's wife. |
| | Bob |
Dylan | American singer-songwriter. |
| | Albert |
Einstein | German-born theoretical physicist; developer of the theory of relativity. |
| | Jimmy |
Carter | 39th U.S. President. |
| | Niels |
Bohr | Danish physicist. |
| | Kenny |
Rogers | American country singer and songwriter. |
| | Sima |
| Jane's friend and colleague. |
| | Anna |
Freud | Austrian-British psychoanalyst & essayist. |
| | Charlie |
Chaplin | British comic actor and filmmaker. |
| | Allen |
Caplan | Samantha's supervisor and lover. |
| | Donald |
Peterson | American businessman. |
| | J.M. |
| Owns Mass Street Music. |
| | Laura |
| J.M.'s wife. |
| | Marc |
Chagall | Russian-French artist of Belarusian Jewish origin. |
| | Martin |
Nowak | Austrian-born professor of mathematical biology, at Harvard University. |
| | |
Stemple | P.E. coach. |
| 3 | |
| THE MEN (JANE) |
| | Natalia |
| Adam's girlfriend. |
| | Amir |
| Sima's older brother. |
| | Deborah |
| Jane's sister. |
| | Fritz |
| Klaus's son. |
| | Lassiter |
| Rose's former employer. |
| | Rose |
| Jane's mother. |
| | Anna |
| Adam's babysitter. |
| | Holly |
Eberheart | Hospital nurse. |
| | Ron |
Williams | Darren's neighbor. |
| | Cody |
Williams | Ron's son. |
| | Mandy |
| One of Cody's friends. |
| 4 | |
| THE CIPHER (ADAM) |
| | Coach |
Hawn | School coach. |
| | John |
Clare | English poet. |
| | Victor of Aveyron |
| Feral child found in 18th century France. |
| | Kaspar |
Hauser | A man with a mysterious history. |
| | Pablo |
Figueroa | Puerto Rican judoka. |
| | Reynolds |
| State wrestling champion. |
| | Barack |
Obama | 44th president of the United States. |
| | Nelson |
Mandela | 1st President of South Africa, anti-apartheid activist. |
| | George |
Brett | Major League Baseball third baseman. |
| | Stephen |
Dedalus | Character in the works of James Joyce. |
| | Dante |
| Stephen's aunt. |
| | Donald |
Judd | American minimalist artist. |
| | Andreas |
Gursky | German artist and photographer. |
| | Peter |
Evanson | Adam's coach in extemporaneous speaking (extemp). |
| | Mikhail |
Gorbachev | General Secretary of the Communist Party of the Soviet Union. |
| | John |
Rawls | American political philosopher. |
| | Randy |
Travis | American country music and gospel music singer, guitarist, and actor. |
| 5 | |
| THE NEW YORK SCHOOL (JONATHAN) |
| | Chevy |
Chase | American comedian, writer, and television and film actor. |
| | Donna |
Selkie | Jonathan's crush. |
| | Lin |
| Gordons' servant. |
| | Jim |
Selkie | Donna's father. |
| | Paul |
Conway | Business consultant. |
| | James |
Toomey | Captain of the Taipei International Tigers basketball. |
| | Robert |
Russell | American actor. |
| | Jerry |
Lewis | American comedian, actor, film producer, writer and film director. |
| | Frank |
Selkie | Donna's brother. |
| | Eleanor |
Selkie | Donna's mother. |
| | Wilfred |
Bion | British psychoanalyst & psychiatrist. |
| | John |
Ashbery | American poet and art critic. |
| | Dan |
| One of Adam's friends. |
| | Jessica |
Baker | Darren's acquaintance. |
| | Morgan |
Jensen | Swedish screenwriter. |
| | Laura |
Simms | Darren's acquaintance. |
| 6 | |
| PARADOXICAL EFFECTS (JANE) |
| | Mrs. |
Michener | Jane's professor. |
| | P. J. |
O'Rourke | American journalist. |
| | Dr. |
Porter | Jane's former supervisor. |
| | Rosa |
Luxemburg | Polish-German Marxist, anti-war activist and revolutionary socialist. |
| | Sonia |
Semenov | Jonathan's mother's second cousin. |
| | Nina |
| Sonia's daughter. |
| | Leon |
| Sonia's husband. |
| | Arthur |
Naylor | President of the National Forensics League. |
| | Brett |
Nelson | American basketball player and coach. |
| 8 | |
| THEMATIC APPERCEPTION (ADAM) |
| | Doña Alana |
| Natalia's grandmother. |
| | Luna |
| Adam's eldest daughter. |
| | Amaya |
| Adam's daughter. |