Michael Murphy as John Brady

Louise Fletcher as Barbara Moorehead

Dan Shor as Pete Brady

Fiona Lewis as Gwen Parkinson

Arthur Dignam as Dr. Le Sange / Nagel

Dey Young as Caroline

Marc McClure as Oliver Myerhoff

Scott Brady as Shea

Charles Lane as Donovan

Elizabeth Cheshire as Lucy Brown

Beryl Te Wiata as Mrs. Haskell

Jim Boelsen as Waldo

Billy Al Bengston as Felix Rowe

Nicole Massie as Flying Nun

Bill Condon as Bryan Morgan

B. Courtenay Leigh as Paula

William Hayward as Robinson

Jack Haines as Randy Morgan

Cindy Arnold as Girl at Party

Howard Crothall as Boy Selling Flowers

Richard Moore as 1st Construction Worker

Andrew Glover as 2nd Construction Worker

John Clark as Alvin

Susan Van Ravenswaay as Mrs. Myerhoff

Joe Harner as Dean

Mary Ruth Harner as Dean's Assistant

Susanna Moore as Steak-'n-Shake Waitress

Summer Ramer as Woman in Grocery Store

Robert Houston as Mr. Myerhoff

Lulu Sylbert as Oliver's Sister

Neil McLachlan as Timothy Hoffman

Jessica Kenny as Catherine Brady

Alma Woods as Mildred

Maurice Keene as Mr. McNally

Brenda Casey as Brenda

Bob Gentil as 1st Frisbee Player

Greg Dower as 2nd Frisbee Player

Jane Dower as Caroline's Helper

Simon Nesbitt as 1st State Trooper

Rod Collison as 2nd State Trooper

Terence Donovan as Mr. Brown

Maryje Mann as Mrs. Brown

Stephen Jackson as Waiter at Gino's

Wally Parks as Minister

Campbell Hegan as Plainclothes Detective

Le Roy Sisnett as Boy on Bicycle

Pete Walker as 1st Killer

Kerry Brown as Dancer at Party

Melodie Batchelor as Dancer at Party

Kathryn Collins as Dancer at Party

Ngila Dickson as Dancer at Party

Louise Franklin as Dancer at Party

Mark Hadlow as Dancer at Party

Michael Hammond as Dancer at Party

Marcus Le Grice as Dancer at Party

Peta Rutter as Dancer at Party

Adair Wheeler as Dancer at Party

Janet Meshad as Dancer at Party