How old was John Cassady in Superman? (1978)

Other actors in Superman:

Christopher Reeve 26 years old

✝ died in 2004 aged 52

Margot Kidder 30 years old

✝ died in 2018 aged 69

Gene Hackman 48 years old

✝ died in 2025 aged 95

Marlon Brando 54 years old

✝ died in 2004 aged 80

Ned Beatty 41 years old

✝ died in 2021 aged 83

Jackie Cooper 56 years old

✝ died in 2011 aged 88

Glenn Ford 62 years old

✝ died in 2006 aged 90

Trevor Howard 65 years old

✝ died in 1988 aged 74

Jack O'Halloran 35 years old

now 83 years old

Valerie Perrine 35 years old

✝ died in 2026 aged 82

Maria Schell 52 years old

✝ died in 2005 aged 79

Terence Stamp 40 years old

✝ died in 2025 aged 87

Phyllis Thaxter 59 years old

✝ died in 2012 aged 92

Susannah York 39 years old

✝ died in 2011 aged 72

Jeff East 21 years old

now 68 years old

Marc McClure 21 years old

now 69 years old

Sarah Douglas 26 years old

now 73 years old

Harry Andrews 67 years old

✝ died in 1989 aged 77

Diane Sherry Case 26 years old

now 74 years old

Vass Anderson 45 years old

✝ died in 2015 aged 81

John Hollis 47 years old

✝ died in 2005 aged 74

James Garbutt 53 years old

✝ died in 2020 aged 94

M

Michael Gover 65 years old

✝ died in 1987 aged 73

David Neal 46 years old

✝ died in 2000 aged 68

William Russell 54 years old

✝ died in 2024 aged 99

P

Penelope Lee 40 years old

now 87 years old

John Stuart 80 years old

✝ died in 1979 aged 81

A

Alan Cullen

✝ died in 2000 aged 31

Aaron Smolinski 4 years old

now 52 years old

Billy J. Mitchell 36 years old

✝ died in 1999 aged 56