Alex McCord guest stars in Crack-Up which sees the IMF going after the mob/Syndicate (again), this time focussing on a hitman, Peter Cordel (McCord). Written by Arthur Weiss from a story by Weiss and Robert and Phyllis White this episode first aired on 9 December, 1972. Phelps (Peter Graves) and his team, Barney (Greg Morris),…