David Janssen
— Alan Chambers
James Farentino
— John Danbury
Phyllis Thaxter
— Norma Chambers
Skye Aubrey
— Ellen Gunther
Mike Farrell
— Wills
Sallie Shockley
— Karen Chambers
Joel Fabiani
— Barris
Richard Anderson
— Harvey Eaton
Charles McGraw
— Father Chase
John Kerr
— Agent Jones
Robert Cornthwaite
— Frank Cavanaugh
Ross Elliott
— Dr. Steven Clay
Jason Bernard
— FBI Agent (uncredited)