True. Linville and Stevenson left to take roles in their own shows. Wayne Rogers left over money and the shift from co-star to second-banana. Burghoff just wanted to move-on. In all instances the producers took the departures as opportunities to shake-up the dynamics. With respect to Maverick, the initial reason for bringing in Bart Maverick was as a hedge on the rising animosity between James Garner (Bret Maverick) and Warner Bros.Television as William T. Orr, executive-producer, was especially known for signing actors to onerous, one-sided contracts that led to many rebellions.