Gene Barry

Dr. Frank Addison

Lydia Clarke

Martha Addison

Michael Moore

Russ Farley

Nancy Gates

Ellen Haskell

Lee Aaker

Tommy Addison

Milburn Stone

Insp. Harold Mann

Bert Freed

Emil Jablons

Frank Cady

F.B.I. Agent George Weinberg

Houseley Stevenson Jr.

'Greg' Gregson

Leonard Strong

Donald Clark

Jerry Hausner

John Pattiz

John Damler

Dr. Peter Rassett

George Lynn

Robert Kalnick

Olan Soule

Mortie Fenton

Anthony Warde

Arnie Molter

Jerry Hopper