Mark Leyner

Acting

Known for

Cell

Cell

2016

War, Inc.

War, Inc.

2008

Late Night with Conan O'Brien

Late Night with Conan O'Brien

1993

The Megan Mullally Show

The Megan Mullally Show

2006

Acting2

The Megan Mullally Show

The Megan Mullally Show

2006

Self - Guest

Late Night with Conan O'Brien

Late Night with Conan O'Brien

1993

Self - Guest

Production1

Cell

Cell

2016

Co-Producer

Writing1

War, Inc.

War, Inc.

2008

Writer