Michael Gross played Mike Flaherty 's father in Family Ties as well as in the final two episodes of the 4th season of Spin City .
For instance , Mike Flaherty 's mother was played by Meredith Baxter , who played his mother on Family Ties , so did Michael Gross , who played his father also on Family Ties , this time as Mike 's shrink in the last two episodes of season 4 ; and Charlie 's father was played by Charlie Sheen 's real-life father Martin Sheen . *
Spin City