William Katt
Elgin Smith
Acting
Susan Dey
Caroline Hedges
Acting
John Heard
David Bonner
Acting
Beverly D'Angelo
Shelley
Acting
Robert Loggia
John March
Acting
Tom Lacy
Professor Oxtan
Acting
Swoosie Kurtz
Marsha
Acting
June Barrett
Felicia
Acting
Judy Kerr
Secretary
Acting
Pat O'Hara
Zookeeper
Acting
Jenny Hill
Girl in Bar
Acting
Billy Beck
Cafeteria Proprietor (uncredited)
Acting
Bob Harks
Cafeteria Patron (uncredited)
Acting
Virginia Leith
Ann March (uncredited)
Acting
John O'Leary
Waiter (uncredited)
Acting