After gaining experience behind the camera as an assistant director on notable movies-including The In-Laws (1979), Baby Boom (1987), The Naked Gun: From the Files of Police Squad! (1988) and Jurassic Park (1993)-Kretchmer transitioned to television, where he built a prolific directing and producing résumé. His episodic work spans a wide range of genres, from supernatural dramas such as Buffy the…