Gene Barry

~ as ~

Dr. Frank Addison

Lydia Clarke

~ as ~

Martha Addison

Michael Moore

~ as ~

Russ Farley

Nancy Gates

~ as ~

Ellen Haskell

Lee Aaker

~ as ~

Tommy Addison

Milburn Stone

~ as ~

Insp. Harold Mann

Bert Freed

~ as ~

Emil Jablons

Frank Cady

~ as ~

F.B.I. Agent George Weinberg

Houseley Stevenson Jr.

~ as ~

'Greg' Gregson

Leonard Strong

~ as ~

Donald Clark