Steve Guttenberg
— Jimmy Zoole
Lombardo Boyar
— Eddie Tesoro
Cynthia Watros
— Kate
Shirley Knight
— Aunt Claire
A.J. Benza
— Carmine
Kenneth Moskow
— Stewart Thomas
Tom Wright
— Fred Gable
Paul Dillon
— Pidgeon
Fred Medrano
— Stanley
Ann Guttenberg
— Lady at Party
Stanley Guttenberg
— Man on Bus
Kim Marriner
— TV Announcer
Patsy Fitzgerald
— First Veterinarian
Christopher Vogler
— Second Veterinarian
Lisa Popeil
— 911 Operator (voice)
Susan Stahnke
— Silvia