Ken Olin Michael Steadman Actor Mel Harris Hope Murdoch Steadman Actor Timothy Busfield Elliot Weston Actor Patricia Wettig Nancy Weston Actor Melanie Mayron Melissa Steadman Actor Polly Draper Ellyn Actor Peter Horton Prof. Gary Shepherd Actor David Clennon Miles Drentell Actor David Marshall Grant Russell Weller Guest Star Peter Frechette Peter Montefiore Guest Star Andra Millian Angel Wasserman Guest Star Richard Cummings Jr. Mark Harriton Guest Star Heather McComb Melodie Klein Guest Star Erich Anderson Billy Sidel Guest Star Mary Kay Place Patsy Klein Guest Star Cynthia Bond Kate Harriton Guest Star