storm chaser Robert 'Rabbit' Nurick in the 1996 disaster film Twister.

From 1990 to 1991, Ruck starred as Chicago ad man Charlie Davis, in the ABC series Going Places. ABC canceled the series after one season. He appeared in the series Daddy's Girls in 1994, which was canceled after three episodes. From 1996 to 2002, Alan played Stuart Bondek in the sitcom Spin City