Because few knew about his real life struggles with alcohol, Dick asked producer David Wolper why he wanted him to star in a film with such dark subject matter. Wolper explained to Van Dyke that he fit the image of a "average, middle-aged, middle-class family man." See more
[after Charlie has attended an important meeting while hung over
I'm not going to mince words, Charlie. We've known each other too long for that. You were a disgrace this morning; I can still smell the liquor on your breath. I don't know how many of those men knew you were hung over, but I certainly did.