Dr. Victor Ehrlich(Ed Begley Jr.)
Dr. Mark Craig(William Daniels)
Dr. Wayne Fiscus(Howie Mandel)
Dr. Jack Morrison(David Morse)
Helen Rosenthal(Christina Pickles)
Dr. Phillip Chandler(Denzel Washington)
Dr. Hugh Beale(G.W. Bailey)
Ellen Craig(Bonnie Bartlett)
Dr. Ben Samuels(David Birney)
Shirley Daniels(Ellen Bry)
Dr. Donald Westphall(Ed Flanders)
Dr. Elliot Axelrod(Stephen Furst)
Dr. Robert 'Bobby' Caldwell(Mark Harmon)
Dr. Peter White(Terence Knox)
Luther Hawkins(Eric Laneuville)
Dr. Jaqueline Wade(Sagan Lewis)
Dr. Daniel Auschlander(Norman Lloyd)
Dr. Wendy Armstrong(Kim Miyori)
Dr. V. J. Kochar(Kavi Raz)
Lucy Papandrao(Jennifer Savidge)
| Paese | USA |
| Periodo | 1982 - 1988 |
| Creatore | Joshua Brand e John Falsey |
| Episodi | 137 episodi (6 stagioni) da 45 minuti |