Jorn Andersen	drums	Glider The Runner Riders On Dark Horses Add Water	1979-1985
David Blaymires	background vocals	What We Do (Boomers)	1991
Al Brisco	pedal steel guitar	Ian Thomas (self-titled)	1973
Maureen Brown	percussion	Art of Living (Boomers) 25 Thousand Days (Boomers)	1993-1996
John Capek	keyboards	Ian Thomas (self-titled)	1973-1974
Peter Cardinali	bass accordion electric piano keys production	The Runner What We Do (Boomers) Art of Living (Boomers) 25 Thousand Days (Boomers) Midway (Boomers)	1981, 1991-2002
Sandy Chochinov	bass	Riders On Dark Horses	1984
Cindy Church	guitar background vocals	(Lunch at Allen's) (Catch the Moon)	2003-2007
B.J. Cole	steel guitar	Long, Long Way	1974
Randy Cooke	percussion	(Lunch at Allen's)	2003
Dave Cooper	lead guitar rhythm guitar	Still Here Glider Riders On Dark Horses Add Water	1978-1979, 1984-1985
Kerry Crawford	guitar production	Add Water	1985
Al Cross	drums percussion	(Catch the Moon)	2007
Bob Day	flugelhorn	Calabash	1976
Neil Dennel	background vocals	What We Do (Boomers)	1991
Paul DeVilliers	production	Art of Living (Boomers)	1993
Bill Dillon	guitar guitorgan mandolin background vocals	Levity What We Do (Boomers) Art of Living (Boomers) 25 Thousand Days (Boomers) Midway (Boomers)	1988-2002
Melanie Doane	fiddle background vocals	25 Thousand Days (Boomers)	1996
Cal Dodd	background vocals	Levity	1988
Bob Doidge	recorder	Glider	1979
Mike Donavan	acoustic guitar	Ian Thomas (self-titled)	1973
Rick Doyle	electric guitar	Still Here	1978
Peter Fredette	bass background vocals	Riders On Dark Horses	1984
Jon Goldsmith	keyboards background vocals production	Add Water	1985
Rick Gratton	drums percussion	What We Do (Boomers) Art of Living (Boomers) 25 Thousand Days (Boomers) Midway (Boomers) (Catch the Moon)	1991-2002, 2007
David Hentschel	ARP synthesizer	Long, Long Way	1974
Randy Hill	mandolin	Art of Living (Boomers)	1993
Steve Hogg	bass background vocals	Ian Thomas (self-titled) Long, Long Way Delights Calabash Still Here Glider The Runner	1973-1981
Scott Humphries	keyboards	Levity	1988
Paul Intson	bass	(Catch the Moon)	2007
John Johnson	saxophone	The Runner	1981
Marc Jordan	guitar piano background vocals	(Lunch at Allen's) (Catch the Moon)	2003-2007
Barry Keane	drums percussion	Ian Thomas (self-titled) Long, Long Way	1973-1974
Dennis Keldie	B3 organ	What We Do (Boomers) Art of Living (Boomers)	1991-1993
Mark Kelso	drums percussion	(Catch the Moon)	2007
George Koller	bass	(Lunch at Allen's) (Catch the Moon)	2003-2007
Jean LeBrun	clarinet	Calabash	1976
John Lombardo	production	Ian Thomas (self-titled) The Runner	1973, 1981
Doug Macaskill	guitar	Art of Living (Boomers)	1993
Kevin McKenzie	drums	Levity	1988
Murray McLauchlan	guitar piano harmonica background vocals	(Lunch at Allen's) (Catch the Moon)	2003-2007
Peter Meuller	guitar background vocals	Riders On Dark Horses Add Water	1984-1985
Adam Mitchell	production	Long, Long Way	1974
Kim Mitchell	guitar	Add Water	1985
Steve Negus	drums percussion	(Catch the Moon)	2007
Christopher Neil	background vocals production	Levity	1988
Max Norman	production	Riders On Dark Horses	1984
Aldo Nova	guitar	Riders On Dark Horses	1984
Mike Oberle	drums percussion background vocals	Delights Calabash Still Here Glider	1975-1979
Josh Onderisin	lead guitar	Delights Calabash Still Here	1975-1978
John Panchyshyn	saxophone	Riders On Dark Horses	1984
Dennis Pendrith	bass	(Catch the Moon)	2007
Steve Piggot	keyboards	Levity	1988
Dave Pilch	bass	Add Water Levity	1985-1988
Lou Pomanti	keyboards Hammond organ piano	Riders On Dark Horses Levity 25 Thousand Days (Boomers) (Catch the Moon)	1984, 1988, 1996, 2007
Mick Ralphs	electric guitar	Long, Long Way	1974
Mick Ronson	production	Riders On Dark Horses	1984
John Rutledge	background vocals	What We Do (Boomers)	1991
Tim Ryan	background vocals	Add Water	1985
Dave Sawyer	bass background vocals	Still Here	1978
Dick Smith	percussion	Calabash Glider	1976, 1981
Al & Pam Spencer	background vocals	Delights	1975
Hugh Syme	piano keyboards Fender Rhodes mellotron background vocals most artwork	Delights Calabash Still Here Glider The Runner	1975-1981
Ian Thomas	lead vocals acoustic guitar electric guitar synthesizer mellotron percussion keyboards bass mandolin programming background vocals production	all LPs	1973-2007
Tim Tickner	vibes background vocals production	What We Do (Boomers)	1991
Danny Weiss	electric guitar	Ian Thomas (self-titled)	1973
Tim White	guitar	Add Water	1985
D’Arcy Wickham	guitar background vocals	Delights	1975
Neil Wilkenson	drums	Levity	1988
Jim Witter	background vocals	Levity	1988
Rob Yale	keyboards	Add Water	1985
Alfie Zappacosta	background vocals	Add Water	1985
John Zaslow	guitar	The Runner	1981