Bill MurrayDr. Peter Venkman

Dan AykroydDr. Raymond Stantz

Sigourney WeaverDana Barrett

Harold RamisDr. Egon Spengler

Rick MoranisLouis Tully

Annie PottsJanine Melnitz

William AthertonWalter Peck

Ernie HudsonWinston Zeddemore

David MarguliesMayor

Steven TashMale Student

Jennifer RunyonFemale Student

Slavitza JovanGozer

Michael EnsignHotel Manager

Alice DrummondLibrarian

Jordan CharneyDean Yager

Timothy CarhartViolinist

John RothmanLibrary Administrator

Tom McDermottArchbishop

Roger GrimsbySelf

Larry KingSelf

Joe FranklinSelf

Casey KasemSelf (voice)

John RingFire Commissioner

Norman MatlockPolice Commissioner

Joe CirilloPolice Captain

Joe SchmiegPolice Seargeant

Reginald VelJohnsonJail Guard

Rhoda GemignaniReal Estate Woman

Murray RubinMan at Elevator

Larry DilgCon Edison Man

Danny StoneCoachman

Patty DworkinWoman at Party

Jean KasemTall Woman at Party

Lenny Del GenioDoorman

Frances E. NealyChambermaid

Sam MosesHot Dog Vendor

Christopher WynkoopTV Reporter

Winston MayBusinessman in Cab

Tommy HollisMayor's Aide

Eda Reiss MerinLouis's Neighbor

Ric ManciniPoliceman at Apartment

Kathryn JanssenMrs. Van Hoffman

Stanley GroverReporter

Carol Ann HenryReporter

James HardieReporter

Frantz TurnerReporter

Nancy KellyReporter

Paul TrafasTed Fleming

Cheryl BirchenfieldAnnette Fleming

Ruth OliverLibrary Ghost

Kymberly HerrinDream Ghost

Ivan ReitmanDirector

Dan AykroydScreenplay

Harold RamisScreenplay

Bernie BrillsteinExecutive Producer

Bill DamaschkeProducer