John Travolta

Zack

Olivia Newton-John

Debbie

Charles Durning

Charlie

Oliver Reed

Beasley

Beatrice Straight

Ruth

Scatman Crothers

Earl

Richard Bright

Stuart

Vincent Bufano

Oscar

Toni Kalem

Terri

James Stevens

Ron

Ernie Hudson

Det. Skaggs

Jack Kehoe

Mr. Chotiner

Robert Costanzo

Capt. Cinzari

Castulo Guerra

Gonzales

Warren Robertson

Self

Deborah Dalton

Angie

Tony Crupi

Det. Bruno

Kurek Ashley

Soho Cop