Stanley Kramer always referred to this film in interviews as his least favorite and least successful of the films he has directed.
The motorcycle ridden by 'Anthony Quinn' is a 500cc T100R Triumph Daytona.
According to Ann Margret in her autobiography, it was very hard for her to perform the nudity scenes, yet a year later she performed fully nude in Carnal Knowledge.
A riot scene was filmed on the Knowles Lawn at the University of the Pacific.
The third movie for Gary Lockwood where he plays some kind of hippie character. The previous film, Model Shop, and the crime film, They Came To Rob Las Vegas.