<P> Alan Douglas Ruck ( born July 1 , 1956 ) is an American actor . He played Cameron Frye , Ferris Bueller 's hypochondriac best friend in John Hughes ' Ferris Bueller 's Day Off ( 1986 ) , and Stuart Bondek , the lecherous , power - hungry member of the mayor 's staff in the ABC sitcom Spin City . His other notable films include Bad Boys ( 1983 ) , Three Fugitives ( 1989 ) , Young Guns II ( 1990 ) , Speed ( 1994 ) , Twister ( 1996 ) , and Kickin ' It Old Skool ( 2007 ) . In 2016 , he co-starred with Geena Davis in an updated Fox TV adaptation of William Peter Blatty 's best - selling novel The Exorcist . </P>
<P> Alan Douglas Ruck ( born July 1 , 1956 ) is an American actor . He played Cameron Frye , Ferris Bueller 's hypochondriac best friend in John Hughes ' Ferris Bueller 's Day Off ( 1986 ) , and Stuart Bondek , the lecherous , power - hungry member of the mayor 's staff in the ABC sitcom Spin City . His other notable films include Bad Boys ( 1983 ) , Three Fugitives ( 1989 ) , Young Guns II ( 1990 ) , Speed ( 1994 ) , Twister ( 1996 ) , and Kickin ' It Old Skool ( 2007 ) . In 2016 , he co-starred with Geena Davis in an updated Fox TV adaptation of William Peter Blatty 's best - selling novel The Exorcist . </P>
who played cameron on ferris bueller 's day off
who played cameron on ferris bueller 's day off
Alan Douglas Ruck
Alan Douglas Ruck