George O'Hanlon. George O'Hanlon was 39 in So You Never Tell a Lie as 'Joe McDoakes'.
Rodney Bell. Rodney Bell was 36 in So You Never Tell a Lie as 'Eager Beaver Troop Leader (uncredited)'.
Phyllis Coates. Phyllis Coates was 25 in So You Never Tell a Lie as 'Alice McDoakes (uncredited)'.
Jack Mower. Jack Mower was 61 in So You Never Tell a Lie as 'Joe's Co-Worker (uncredited)'.Anne O'Neal. Anne O'Neal was 58 in So You Never Tell a Lie as 'Genevieve Batten (uncredited)'.
Emory Parnell. Emory Parnell was 59 in So You Never Tell a Lie as 'Mr. Batten (uncredited)'.
Richard L. Bare. Richard L. Bare was 38 in So You Never Tell a Lie as 'Director, Writer'Ernest Miller. Ernest Miller was 67 in So You Never Tell a Lie as 'Director of Photography'Gordon Hollingshead. Gordon Hollingshead would have been no older than 60 in So You Never Tell a Lie as 'Producer'Marshall Eyanson. Marshall Eyanson was 44 in So You Never Tell a Lie as 'Editor'
William Lava. William Lava was 41 in So You Never Tell a Lie as 'Music'Stanley Fleischer. Stanley Fleischer was 49 in So You Never Tell a Lie as 'Art Direction'Charles Lang. Charles Lang was 43 in So You Never Tell a Lie as 'Sound'