Mark Blum

as Nat

as Rex

as Martin

as Dr. Lewis(1 ep)

as Warren

as Dr. Klienart

as Mr. Mooney(4 eps)

as Bill(2 eps)

as Julius Kreutzer(1 ep)

as Mr. Smerconish

as Leon/Lester's Agent

as Dr. Mark Rutenberg(1 ep)

as Rabbi Schecter(1 ep)

as Henry

as Union Bob(30 eps)

as Saul Blumenthal

as Irvin Langstrom(1 ep)

as George

as Stuart

as Lew Reddy

as Dr. Parkinson

as NYU Professor

as Dr. Barclay Colvin

as Julius Kreutzer(1 ep)

as Claus Penrose(1 ep)

as Dr. Macvittie(1 ep)

as Richardson

as Father

as Lewis Estridge

as Jim Rennert(1 ep)

as Philip Oliver(1 ep)

as Larry Lewis(1 ep)

as Harry Hobbs

as Harry Hobbs(2 eps)

as Richard Baxter

as Arnold Bancroft(1 ep)

as The Interviewer

as Katzenmoyer(1 ep)

as Russell Hollenback(1 ep)

as David Arnoff(1 ep)

as Richard Kinrich(1 ep)

as Darrell

as Randall Curtin(1 ep)

as Edward Cooperberg

as Jackson

as Ben Marks

as State Attorney Michael Scannel(1 ep)

as Louis

as Matthew Greenberg

as Wayne Satz

as Obstretrician

as Peter

as Dr. Vincent(1 ep)

as Dr. Roland Sachs(1 ep)

as John(1 ep)

as Dr. Howard Zuckerman

as Ben

as A.D.A. Frank Lazar(1 ep)

as Doctor(1 ep)

as Defense Attorney Michael Aronson(1 ep)

as Frank Lazar(1 ep)

as Larry Mohr(1 ep)

as Edison King(13 eps)

as Ned Braudy

as Arthur Peale

as Denny Gordon

as Richard Mason

as George Margolin

as Gary Glass

as Sid Shenker(1 ep)

as Ray Litertini

as Intern Murphy

as Dr. Vogel(1 ep)