Even George Segal himself acknowledged that he had a bland screen presence (Halliwell's Film Guide-1995). Most people wouldn't list him as one of their favorite actors. However, he was definitely okay for this film. Segal's character in this movie is quasi-tragic, a talented commercial artist and a family man, married to adequately attractive Eva Marie Saint and with two cute, wise-cracking daughters. Why he seems to want (or needs) to throw this away for drinking and women makes for somewhat compelling viewing, and leads to a great climax at a party for a lot of sophisticated art types on a very cold winter's night, in which first a lot of drinking and then temptation lead to one of the better conclusions you're likely to see.