Mike Connors Joe Mannix Actor Gail Fisher Peggy Fair Actor Frank Marth Lt. Larry Burdette Guest Star Jack Ging Lt. Dan Ives Guest Star Terry Carter Marcus Fair Guest Star Bobby Troup Bobby Guest Star Gloria Calomee Hettie Wills Guest Star Dean Harens L.B. Ogilvy Guest Star William Bassett Warren Hoxie Guest Star B.J. Mason Clayton Donnelly Guest Star Mark Stewart Toby Guest Star Walter Mathews Charleston Guest Star Bennett Roberts Billy Guest Star Dick O'Shea First Officer Guest Star Roy Johnson Man at Lake Guest Star Seymour Robbie Director Frank Telford Writer