- as Dr. Peter Venkman
- as Dr. Raymond Stantz
- as Dr. Egon Spengler
- as Louis Tully
- as Dana Barrett
- as Winston Zeddmore
- as Janine Melnitz
- as Walter Peck
- as Mayor
- as Male Student
- as Female Student
- as Hotel Manager
- as Librarian
- as Dean Yager
- as Violinist
- as Library Administrator
- as Larry King
- as Joe Franklin
- as Casey Kasem (Voice)
- as Police Commissioner
- as Jail Guard
- as Real Estate Woman
- as Man at Elevator
- as Coachman
- as Tall Woman at Party
- as TV Reporter
- as Louis's Neighbor
- as Policeman at Apartment
- as Reporter
- as Reporter
- as Reporter
- as Gozer (Voice)
- as Birthday Girl in Tavern on the Green
- as Man Behind Barricade
- as Man at Library (Cameo)
- as Zuul (Voice)
- as Bill Walton
- as Slimer (Voice)
Watch "Ghostbusters":