Alan Rafkin
James Burrows
John Rich (director)
Steven Peterman
Marlo Thomas
Barnet Kellman
Diane English
Treva Silverman
James Frawley
Shelley Berman
Michael J. Weithorn
Jay Sandrich
Betty Thomas
Jerry Paris
Will Mackenzie
Ronnie Schell
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Robert Andrew Ackerman is an American director, producer, and script editor who is best known for his work on Seinfeld, The New Adventures of Old Christine and the HBO series Curb Your Enthusiasm. Wikipedia