- Source of Wealth: Film, Television
- Age: 45
- Birth Place: Columbus, Ohio, United States
- Height: 6′ 0″ (1.83 m)
- Weight: 165 lbs (75 kg)
- Full Name: Joshua Thomas Radnor
- Nationality: American
- Date of Birth: July 29, 1974
- Ethnicity: Ashkenazi Jewish, Irish, English
- Occupation: Actor, Writer, Director, Producer
- Education: Kenyon College, Tisch School of the Arts, New York University, Bexley High School
His directorial and writing debut came in 2000 drama-comedy film titled happythankyoumoreplease. This project earned him a nomination for the Grand Jury Prize and the Audience Award for the Sundance Film Festival. For the second time, Josh Radnor has written and directed another project titled Liberal Arts. Among his other notable projects include Not Another Teen Movie, Everyday Life, Welcome to New York, The Court, Law & Order, Six Feet Under, ER, Miss Match, Judging Amy and Family Guy.