Bill Bixby

Tim O'Hara

Ray Walston

Uncle Martin

Alan Hewitt

Det. Bill Brennan

Pamela Britton

Mrs. Lorelei Brown

Stafford Repp

Acting

Bill Idelson

Acting

Jamie Farr

Acting

Norman Bartold

Acting

Patricia Smith

Acting

John Fiedler

Professor Jennings

Laura Shelton

Acting

Sharon Farrell

Gloria Trimble

Henry Corden

Acting

Olan Soule

Acting

Michael Pataki

Acting

Linda Evans

Sally Farrow

Mona Bruns

Acting

John Crawford

Acting