Winifred Deforest Coffin starred in this Hollywood film. Roving Mars was released later than than the first sequel to this movie.
The Strongest Man in the World is a 1975 Disney film starring Kurt Russell, still a student in the fictional Medfield College. 
Roving Mars is an IMAX documentary film about the development, launch, and operation of the Mars Exploration Rovers, Spirit and Opportunity. 
 It is the sequel to the 1969 film "The Computer Wore Tennis Shoes" and was followed by 1975's "The Strongest Man in the World". 
 Coffin was an actress who appeared in Hollywood films ("Now You See Him, Now You Don't"), and many television shows including "Adam-12", "The Doris Day Show", "The Debbie Reynolds Show", "Lancer", "The Beverly Hillbillies", "High Chaparral", "Death Valley Days", "Petticoat Junction", "Perry Mason", "Bonanza", "Bewitched", "Honey West", "The Ann Sothern Show". 
