Ron West made several appearances on the British edition of Whose Line, and had a production credit in the American version.
Ron was also a producer for Quick Wits, also known as Kwik Witz, a show similar to Whose Line? that is scripted but pretends to run like improv. Wayne Brady and Denny Siegel have both appeared on Quick Wits.
Ron's appearances (UK)
Series 2: Episodes 3, 6 and 14
Series 4: Episodes 9, 12 and 13