Robert Wagner. Robert Wagner was 65 in Hart to Hart: Secrets of the Hart as 'Jonathan Hart'.
Stefanie Powers. Stefanie Powers was 52 in Hart to Hart: Secrets of the Hart as 'Jennifer Hart'.
Lionel Stander. Lionel Stander would have been no older than 86 in Hart to Hart: Secrets of the Hart as 'Max'.
Jason Bateman. Jason Bateman was 26 in Hart to Hart: Secrets of the Hart as 'Stuart Morris'.
Marion Ross. Marion Ross was 66 in Hart to Hart: Secrets of the Hart as 'Maureen Collier'.
Wendie Malick. Wendie Malick was 44 in Hart to Hart: Secrets of the Hart as 'Sarah Powell'.
John Beck. John Beck was 52 in Hart to Hart: Secrets of the Hart as 'Jeremy'.
Pat Morita. Pat Morita was 62 in Hart to Hart: Secrets of the Hart as 'Ling Goldberg'.
Michael Parks. Michael Parks was 54 in Hart to Hart: Secrets of the Hart as 'Evan Powell'.
Edward Mulhare. Edward Mulhare was 71 in Hart to Hart: Secrets of the Hart 
Taylor Negron. Taylor Negron was 37 in Hart to Hart: Secrets of the Hart 
Mickey Cottrell. Mickey Cottrell was >> in Hart to Hart: Secrets of the Hart 
Donald Trump. Donald Trump was 48 in Hart to Hart: Secrets of the Hart as 'Himself'.
John Pinette. John Pinette was 32 in Hart to Hart: Secrets of the Hart 
Ross Hagen. Ross Hagen was 56 in Hart to Hart: Secrets of the Hart 
Jill Donohue. Jill Donohue was 54 in Hart to Hart: Secrets of the Hart as 'Liz'.
Natasha Gregson Wagner. Natasha Gregson Wagner was 24 in Hart to Hart: Secrets of the Hart as 'Tibby'.
Rodger Bumpass. Rodger Bumpass was 43 in Hart to Hart: Secrets of the Hart as 'Higgins'.James W. Quinn. James W. Quinn was >> in Hart to Hart: Secrets of the Hart as 'Security Guard'.
Kevin Connor. Kevin Connor was 57 in Hart to Hart: Secrets of the Hart as 'Director'Douglas Milsome. Douglas Milsome was 56 in Hart to Hart: Secrets of the Hart as 'Director of Photography'
Judith Vogelsang. Judith Vogelsang was >> in Hart to Hart: Secrets of the Hart as 'First Assistant Director'Pattee Roedig. Pattee Roedig was >> in Hart to Hart: Secrets of the Hart as 'Second Unit Director'Rob Gilmer. Rob Gilmer was >> in Hart to Hart: Secrets of the Hart as 'Writer'James Polster. James Polster was >> in Hart to Hart: Secrets of the Hart as 'Producer'Stefanie Powers. Stefanie Powers was 52 in Hart to Hart: Secrets of the Hart as 'Producer'James G. Hirsch. James G. Hirsch was >> in Hart to Hart: Secrets of the Hart as 'Executive Producer'Robert Papazian. Robert Papazian was >> in Hart to Hart: Secrets of the Hart as 'Executive Producer'Robert Wagner. Robert Wagner was 65 in Hart to Hart: Secrets of the Hart as 'Executive Producer'James Veres. James Veres was >> in Hart to Hart: Secrets of the Hart as 'Executive Producer'Robert L. Sinise. Robert L. Sinise was >> in Hart to Hart: Secrets of the Hart as 'Editor'
Arthur B. Rubinstein. Arthur B. Rubinstein was 56 in Hart to Hart: Secrets of the Hart as 'Music'
Gregory J. Barnett. Gregory J. Barnett was >> in Hart to Hart: Secrets of the Hart as 'Stunt Coordinator'Lon Bentley. Lon Bentley was >> in Hart to Hart: Secrets of the Hart as 'Makeup Artist'Moshe Levin. Moshe Levin was >> in Hart to Hart: Secrets of the Hart as 'Camera Operator'Peter Wooley. Peter Wooley was >> in Hart to Hart: Secrets of the Hart as 'Production Design'Lon Thompson. Lon Thompson was >> in Hart to Hart: Secrets of the Hart as 'Gaffer'Faye Sloan. Faye Sloan was >> in Hart to Hart: Secrets of the Hart as 'Costume Design'Kathy Curtis-Cahill. Kathy Curtis-Cahill was >> in Hart to Hart: Secrets of the Hart as 'Set Decoration'Faith Vecchio. Faith Vecchio was >> in Hart to Hart: Secrets of the Hart as 'Hairstylist'