Cotter Smith as Sergeant Sam Taliaferro

Mel Harris as Dr. Nora Haley

Scott Curtis as Cameron Lansing

Chuck McCann as Ben Majors

Leigh McCloskey as Pete Groom

Kim Lankford as Dory Lansing

Gary Hudson as Bob Froelich

Tab Hunter as Owen Lansing

Dort Clark as Alan Wilson

David Povall as Capt. Navarro

Wilson Smith as Joe Crespy

Kerry Yo Nakagawa as Policeman

Raymond Patterson as Physician

Skip E. Lowe as Newscaster

Bonnie Bradigan as Newswoman

Frank Pesce as Ed Wallace

Paul W. Zecevic as Reporter

Doc D. Charbonneau as Little Demon

William Lustig as Ice Cream Eater (uncredited)