John Candy
Danny Muldoon
Danny, a cop, meets and falls in love with Theresa. They get engaged, despite sneaking around behind his mother's back, but when push comes to shove, he can't quite quit worrying about his mother long enough to be any kind of lover to Theresa.
Only the Lonely
Danny Muldoon
Rose Muldoon
Theresa Luna
Patrick Muldoon
Doyle
Spats
Nick Acropolis
Salvatore Buonarte (as James Belushi)
Johnny Luna
Father Strapovic
Billy Maldoon
Patrick Muldoon Jr.
O'Neal
Susan Muldoon
Larry
Jack
Duane Earl Tyrone
Chess Player
Cop
Cop
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