Susan Dey as May

Tom Hulce as Jonathan

Michael Bowen as August

Christopher Walker as Henry

Shirley Jo Finney as Gloria

Heinrich Schweiger as August's Father

Cheech Marin as Syd

John Paragon as Hugo

Cassandra Peterson as Sheri

Timothy Carey as Vinnie

Martin Suppan as Austrian Consul

Robert R. Shafer as Commercial Director

Dorothy Dells as Consulate Secretary

Yana Nirvana as Woman in Bar

Paul Anselmo as Policeman

Jesse Aragon as Policeman

Robert Cabral as Policeman

Peter Drain as Bar Customer

John Pochna as Bar Customer

Dee Cooper as Man in Park

Douglas M. Ford as Biker

Stephen Gaines as Desk Sergeant

Fred Leaf as Burt Reynolds Look-alike

Mary Thompson as Prospective Roommate

Anne Marie Bates as Prospective Roommate

Jason Mayall as Prospective Roommate

Renee LeBallister as Prospective Roommate

Michael Marloe as Partygoer

Jim Smith as Partygoer

Skip O'Brien as Prisoner

Biff Yeager as Jailer

Jackie Easton as Girl in Commercial

Bob Moss as Birthday Boy

Doug Knott as Birthday Man

James Helppi as Guest in Elevator

George W. Scott as Man with Tip

De Schneider as Real Estate Secretary

Patti Tippo as Telegram Stripper

Max Trumpower as Telegram Stripper

Penny Harris as Telegram Stripper

Merrill Ward as Telegram Stripper

Dana Sue Collins as Telegram Stripper

Peter Kent as Arnold Schwarzenegger (uncredited)