Name	Known for
John Tate Jack Mason Jack Mason See fewer	On the Beach (1959)
Nick Tate Peter Mason Peter Mason See fewer	Space: 1999 (1975)
Kevin Miles David Mason David Mason See fewer	The Power, the Passion (1989)
Anne Haddy Kathy Mason Kathy Mason See fewer	Dynasty (1969)
Serge Lazareff Christopher Mason Christopher Mason See fewer	A Country Practice (1981)
Ben Gabriel 'Unk' Martel 'Unk' Martel See fewer	The Interpretaris (1966)
Ron Graham John Mason John Mason See fewer	Gallipoli (1981)
Lyn James Maggie Tench Maggie Tench See fewer	The Young Doctors (1976)
Owen Weingott Jacob Goldberg Jacob Goldberg See fewer	Dynasty (1969)
Pat Bishop Patricia Mason Patricia Mason See fewer	Don's Party (1976)
Tony Ward Nigel Dayton Nigel Dayton See fewer	Color Me Dead (1969)
Lea Denfield The Secretary The Secretary See fewer	Squeeze a Flower (1970)
Peter Gwynne Frank Benson Frank Benson See fewer	Australia (2008)
Bill Hunter Larry Conrad Larry Conrad See fewer	Gallipoli (1981)
Spencer Pearson The Nightwatchman The Nightwatchman See fewer	Seconds from Disaster (2004)
Faye Sharp Mrs. Blake Mrs. Blake See fewer	Mystery and Imagination (1966)
Bob Woodham Jerry Blake Jerry Blake See fewer	The Rovers (1969)